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\\echo text [ ... ]
\n

\u5c06\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u53c2\u6570\u4e4b\u95f4\u7528\u4e00\u4e2a\u7a7a\u683c\u5206\u9694\uff0c\u672b\u5c3e\u8ddf\u968f\u6362\u884c\u7b26\u3002\u8fd9\u53ef\u7528\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u63d2\u5165\u4fe1\u606f\u3002\u4f8b\u5982\uff1a

\n
=> \\echo `date`\nTue Oct 26 21:40:57 CEST 1999\n
\n

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\n
\n

\u63d0\u793a

\n

\u5982\u679c\u4f7f\u7528\\o\u547d\u4ee4\u91cd\u5b9a\u5411\u67e5\u8be2\u8f93\u51fa\uff0c\u53ef\u80fd\u4f1a\u60f3\u7528\\qecho\u4ee3\u66ff\u8fd9\u4e2a\u547d\u4ee4\u3002

\n
\n
", "manual_path": "app-psql.html#APP-PSQL-META-COMMANDS", "localization": {"status": "complete", "sources": [{"url": "/docs/10/app-psql.html", "method": "same-major semantic node", "sha256": "07e2383663e136e49c565dc43b76b773af4caa89393ce1854d32ec8cc15f2d3c", "language": "zh", "matched_nodes": ["#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[7]/div[1]/h3[0]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[85]/div[3]/p[1]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[85]/p[0]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[85]/p[2]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "Prints the arguments to the standard output, separated by one space and followed by a newline. This can be useful to intersperse information in the output of scripts. For example:", "/versions/10/facts/0/label": "Client", "/versions/10/facts/1/label": "Case-sensitive spelling", "/versions/10/tables/0/title": "Spellings in this manual definition", "/versions/10/related/0/label": "psql command-line options and complete manual", "/versions/10/tables/0/columns/0/label": "Command", "/versions/10/tables/0/columns/1/label": "Documented suffix modifiers", "/versions/10/tables/0/rows/0/modifiers": "None listed in this signature"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "19b3d73e3a1b81b35d73e167276d0089b386996119cd4bf8c4aa99988b12c4f7"}, "comparison_data": {"modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "definition": "Prints the arguments to the standard output, separated by one space and followed by a newline. This can be useful to intersperse information in the output of scripts. For example: => \\echo `date` Tue Oct 26 21:40:57 CEST 1999 If the first argument is an unquoted -n the trailing newline is not written. Tip If you use the \\o command to redirect your query output you might wish to use \\qecho instead of this command."}, "comparison_hash": "332b556bd19a6e33dbaf6c306a5db2ff1a03973749c5b326979f39ffaf2b6fe7", "manual_language": "zh"}, "11": {"facts": [{"label": "\u5ba2\u6237\u7aef", "value": "psql 11.22"}, {"label": "\u533a\u5206\u5927\u5c0f\u5199\u7684\u5199\u6cd5", "value": "\\echo"}], "tables": [{"key": "spellings", "rows": [{"command": {"url": "/wiki/psql/cmd-65-63-68-6f/?v=11", "text": "\\echo"}, "modifiers": "\u6b64\u8bed\u6cd5\u7b7e\u540d\u672a\u5217\u51fa"}], "title": "\u672c\u7248\u624b\u518c\u4e2d\u7684\u5199\u6cd5", "columns": [{"key": "command", "label": "\u547d\u4ee4"}, {"key": "modifiers", "label": "\u624b\u518c\u4e2d\u7684\u540e\u7f00\u4fee\u9970\u7b26"}]}], "command": "\\echo", "related": [{"url": "/wiki/tool/psql/?v=11", "label": "psql \u547d\u4ee4\u884c\u9009\u9879\u53ca\u5b8c\u6574\u624b\u518c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "label": "11.22", "major": "11", "channel": "historical", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/11/postgresql-11-A4.pdf", "bytes": 13057499, "pages": 2732, "sha256": "41d75855e610d0d9b8802b87dc5b080bef8d7e91c7cf69401fbf8d3cf801b4b5", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/11/postgresql-11-US.pdf", "bytes": 12961189, "pages": 2883, "sha256": "6a8899ef36935a5b7ed2b436207564a567a4ef1eb1c2200195876b8de4d4fa30", "built_at": "2026-09-26"}}, "tree": "11", "index": "index.html", "major": "11", "pages": 1125, "release": "11.22", "source_url": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "svg_assets": 0, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "revision": "53315ddaf3b3f9e6669fd1edc096bbb2cd4a65ea3e836c89e542b43af9ba3a7f", "evidence_kind": "English manual and source declarations", "source_sha256": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sources": [{"url": "https://pg.center/docs/11/app-psql.html#APP-PSQL-META-COMMANDS", "file": "app-psql.html", "label": "11.22 English manual \u00b7 app-psql.html", "anchor": "APP-PSQL-META-COMMANDS", "sha256": "32c4d489e91e59715de2f7c3264fcccab3dd1eca54673dbfeac61304b0c54d4d", "language": "en", "original_url": "/docs/11/app-psql.html#APP-PSQL-META-COMMANDS"}], "sections": [], "modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "description": ["\u5c06\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u53c2\u6570\u4e4b\u95f4\u7528\u4e00\u4e2a\u7a7a\u683c\u5206\u9694\uff0c\u672b\u5c3e\u8ddf\u968f\u6362\u884c\u7b26\u3002\u8fd9\u53ef\u7528\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u63d2\u5165\u4fe1\u606f\u3002\u4f8b\u5982\uff1a"], "manual_html": "
\\echo text [ ... ]
\n

\u5c06\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u53c2\u6570\u4e4b\u95f4\u7528\u4e00\u4e2a\u7a7a\u683c\u5206\u9694\uff0c\u672b\u5c3e\u8ddf\u968f\u6362\u884c\u7b26\u3002\u8fd9\u53ef\u7528\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u63d2\u5165\u4fe1\u606f\u3002\u4f8b\u5982\uff1a

\n
=> \\echo `date`\nTue Oct 26 21:40:57 CEST 1999\n
\n

\u5982\u679c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u672a\u52a0\u5f15\u53f7\u7684-n\uff0c\u5219\u4e0d\u8f93\u51fa\u672b\u5c3e\u7684\u6362\u884c\u7b26\u3002

\n
\n

\u63d0\u793a

\n

\u5982\u679c\u4f7f\u7528\\o\u547d\u4ee4\u91cd\u5b9a\u5411\u67e5\u8be2\u8f93\u51fa\uff0c\u53ef\u80fd\u4f1a\u60f3\u7528\\qecho\u4ee3\u66ff\u8fd9\u4e2a\u547d\u4ee4\u3002

\n
\n
", "manual_path": "app-psql.html#APP-PSQL-META-COMMANDS", "localization": {"status": "complete", "sources": [{"url": "/docs/11/app-psql.html", "method": "same-major semantic node", "sha256": "01339254dd1dc30d095af846d0b6a7c01f96338187a6fbb8cf45290d5941196b", "language": "zh", "matched_nodes": ["#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[7]/div[1]/h3[0]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[85]/div[3]/p[1]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[85]/p[0]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[85]/p[2]"]}], "language": "zh", "original_text": {"/versions/11/description/0": "Prints the arguments to the standard output, separated by one space and followed by a newline. This can be useful to intersperse information in the output of scripts. For example:", "/versions/11/facts/0/label": "Client", "/versions/11/facts/1/label": "Case-sensitive spelling", "/versions/11/tables/0/title": "Spellings in this manual definition", "/versions/11/related/0/label": "psql command-line options and complete manual", "/versions/11/tables/0/columns/0/label": "Command", "/versions/11/tables/0/columns/1/label": "Documented suffix modifiers", "/versions/11/tables/0/rows/0/modifiers": "None listed in this signature"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "520c8f7b68c7e74c064f25299723a3fbfbcc10b8f023a80839ad35bea5dfed0d"}, "comparison_data": {"modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "definition": "Prints the arguments to the standard output, separated by one space and followed by a newline. This can be useful to intersperse information in the output of scripts. For example: => \\echo `date` Tue Oct 26 21:40:57 CEST 1999 If the first argument is an unquoted -n the trailing newline is not written. Tip If you use the \\o command to redirect your query output you might wish to use \\qecho instead of this command."}, "comparison_hash": "332b556bd19a6e33dbaf6c306a5db2ff1a03973749c5b326979f39ffaf2b6fe7", "manual_language": "zh"}, "12": {"facts": [{"label": "\u5ba2\u6237\u7aef", "value": "psql 12.22"}, {"label": "\u533a\u5206\u5927\u5c0f\u5199\u7684\u5199\u6cd5", "value": "\\echo"}], "tables": [{"key": "spellings", "rows": [{"command": {"url": "/wiki/psql/cmd-65-63-68-6f/?v=12", "text": "\\echo"}, "modifiers": "\u6b64\u8bed\u6cd5\u7b7e\u540d\u672a\u5217\u51fa"}], "title": "\u672c\u7248\u624b\u518c\u4e2d\u7684\u5199\u6cd5", "columns": [{"key": "command", "label": "\u547d\u4ee4"}, {"key": "modifiers", "label": "\u624b\u518c\u4e2d\u7684\u540e\u7f00\u4fee\u9970\u7b26"}]}], "command": "\\echo", "related": [{"url": "/wiki/tool/psql/?v=12", "label": "psql \u547d\u4ee4\u884c\u9009\u9879\u53ca\u5b8c\u6574\u624b\u518c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "label": "12.22", "major": "12", "channel": "historical", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/12/postgresql-12-A4.pdf", "bytes": 13424351, "pages": 2803, "sha256": "7422cf53fd1939e7a3d2925231a88b0330e468afa5393627cac0ff86158a0621", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/12/postgresql-12-US.pdf", "bytes": 13322565, "pages": 2958, "sha256": "51f3b04e72907fc38512685946223452ea65f84419c60c66241dfa3396035e77", "built_at": "2026-09-26"}}, "tree": "12", "index": "index.html", "major": "12", "pages": 1131, "release": "12.22", "source_url": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "svg_assets": 2, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "revision": "7a827e97cbfacd7febff75f34443e2043e40723de5b6d8c9d81a9430b65a37e4", "evidence_kind": "English manual and source declarations", "source_sha256": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sources": [{"url": "https://pg.center/docs/12/app-psql.html#APP-PSQL-META-COMMANDS", "file": "app-psql.html", "label": "12.22 English manual \u00b7 app-psql.html", "anchor": "APP-PSQL-META-COMMANDS", "sha256": "a5cec5a456a98610e98d1f1959d96ce57c8413bb392f0f5d6720fc561bb63627", "language": "en", "original_url": "/docs/12/app-psql.html#APP-PSQL-META-COMMANDS"}], "sections": [], "modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "description": ["\u5c06\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u53c2\u6570\u4e4b\u95f4\u7528\u4e00\u4e2a\u7a7a\u683c\u5206\u9694\uff0c\u672b\u5c3e\u8ddf\u968f\u6362\u884c\u7b26\u3002\u8fd9\u53ef\u7528\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u63d2\u5165\u4fe1\u606f\u3002\u4f8b\u5982\uff1a"], "manual_html": "
\\echo text [ ... ]
\n

\u5c06\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u53c2\u6570\u4e4b\u95f4\u7528\u4e00\u4e2a\u7a7a\u683c\u5206\u9694\uff0c\u672b\u5c3e\u8ddf\u968f\u6362\u884c\u7b26\u3002\u8fd9\u53ef\u7528\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u63d2\u5165\u4fe1\u606f\u3002\u4f8b\u5982\uff1a

\n
=> \\echo `date`\nTue Oct 26 21:40:57 CEST 1999\n
\n

\u5982\u679c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u672a\u52a0\u5f15\u53f7\u7684-n\uff0c\u5219\u4e0d\u8f93\u51fa\u672b\u5c3e\u7684\u6362\u884c\u7b26\u3002

\n
\n

\u63d0\u793a

\n

\u5982\u679c\u4f7f\u7528\\o\u547d\u4ee4\u91cd\u5b9a\u5411\u67e5\u8be2\u8f93\u51fa\uff0c\u53ef\u80fd\u4f1a\u60f3\u7528\\qecho\u4ee3\u66ff\u8fd9\u4e2a\u547d\u4ee4\u3002

\n
\n
", "manual_path": "app-psql.html#APP-PSQL-META-COMMANDS", "localization": {"status": "complete", "sources": [{"url": "/docs/12/app-psql.html", "method": "same-major semantic node", "sha256": "1eb88d17f6ce811d722e5c4ed036f78a7872bf88410c08db794c428e3cfc98ce", "language": "zh", "matched_nodes": ["#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[7]/div[1]/h3[0]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[87]/div[3]/p[1]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[87]/p[0]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[87]/p[2]"]}], "language": "zh", "original_text": {"/versions/12/description/0": "Prints the arguments to the standard output, separated by one space and followed by a newline. This can be useful to intersperse information in the output of scripts. For example:", "/versions/12/facts/0/label": "Client", "/versions/12/facts/1/label": "Case-sensitive spelling", "/versions/12/tables/0/title": "Spellings in this manual definition", "/versions/12/related/0/label": "psql command-line options and complete manual", "/versions/12/tables/0/columns/0/label": "Command", "/versions/12/tables/0/columns/1/label": "Documented suffix modifiers", "/versions/12/tables/0/rows/0/modifiers": "None listed in this signature"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "d8f38d90842ed8a51be73a6576c24df325a46ba8211f4ad86c5315b60a844e0f"}, "comparison_data": {"modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "definition": "Prints the arguments to the standard output, separated by one space and followed by a newline. This can be useful to intersperse information in the output of scripts. For example: => \\echo `date` Tue Oct 26 21:40:57 CEST 1999 If the first argument is an unquoted -n the trailing newline is not written. Tip If you use the \\o command to redirect your query output you might wish to use \\qecho instead of this command."}, "comparison_hash": "332b556bd19a6e33dbaf6c306a5db2ff1a03973749c5b326979f39ffaf2b6fe7", "manual_language": "zh"}, "13": {"facts": [{"label": "\u5ba2\u6237\u7aef", "value": "psql 13.23"}, {"label": "\u533a\u5206\u5927\u5c0f\u5199\u7684\u5199\u6cd5", "value": "\\echo"}], "tables": [{"key": "spellings", "rows": [{"command": {"url": "/wiki/psql/cmd-65-63-68-6f/?v=13", "text": "\\echo"}, "modifiers": "\u6b64\u8bed\u6cd5\u7b7e\u540d\u672a\u5217\u51fa"}], "title": "\u672c\u7248\u624b\u518c\u4e2d\u7684\u5199\u6cd5", "columns": [{"key": "command", "label": "\u547d\u4ee4"}, {"key": "modifiers", "label": "\u624b\u518c\u4e2d\u7684\u540e\u7f00\u4fee\u9970\u7b26"}]}], "command": "\\echo", "related": [{"url": "/wiki/tool/psql/?v=13", "label": "psql \u547d\u4ee4\u884c\u9009\u9879\u53ca\u5b8c\u6574\u624b\u518c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "13.23", "major": "13", "channel": "historical", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/13/postgresql-13-A4.pdf", "bytes": 13843239, "pages": 2826, "sha256": "171cc09f90936dbc1cbd503a98ff07ae72ea58ab9771ff051313f1217737799c", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/13/postgresql-13-US.pdf", "bytes": 13739572, "pages": 2984, "sha256": "48d09c6e197d9db4220f41afe83efe848a8661b1b168d3b89419751ecaf6c24d", "built_at": "2026-09-26"}}, "tree": "13", "index": "index.html", "major": "13", "pages": 1139, "release": "13.23", "source_url": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "revision": "614ee3133270254e476c118cdf6f72af78d4e4b8bbd9b28ed9ab1e14e4e9c0f6", "evidence_kind": "English manual and source declarations", "source_sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sources": [{"url": "https://pg.center/docs/13/app-psql.html#APP-PSQL-META-COMMANDS", "file": "app-psql.html", "label": "13.23 English manual \u00b7 app-psql.html", "anchor": "APP-PSQL-META-COMMANDS", "sha256": "30347083b7a58da020d968643e2479d2dfb534191d4493d454603ca53db151b0", "language": "en", "original_url": "/docs/13/app-psql.html#APP-PSQL-META-COMMANDS"}], "sections": [], "modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "description": ["\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a"], "manual_html": "
\\echo text [ ... ]
\n

\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a

\n
=> \\echo `date`\nTue Oct 26 21:40:57 CEST 1999\n
\n

\u5982\u679c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u672a\u52a0\u5f15\u53f7\u7684-n\uff0c\u5219\u4e0d\u4f1a\u5199\u5165\u5c3e\u968f\u7684\u6362\u884c\u7b26\uff08\u4e5f\u4e0d\u4f1a\u5199\u5165\u7b2c\u4e00\u4e2a\u53c2\u6570\uff09\u3002

\n
\n

\u63d0\u793a

\n

\u5982\u679c\u4f7f\u7528\\o\u547d\u4ee4\u91cd\u5b9a\u5411\u67e5\u8be2\u8f93\u51fa\uff0c\u53ef\u80fd\u4f1a\u60f3\u7528\\qecho\u4ee3\u66ff\u8fd9\u4e2a\u547d\u4ee4\u3002\u53e6\u8bf7\u53c2\u9605\\warn\u3002

\n
\n
", "manual_path": "app-psql.html#APP-PSQL-META-COMMANDS", "localization": {"status": "complete", "sources": [{"url": "/docs/13/app-psql.html", "method": "same-major semantic node", "sha256": "dd2bf63d81b9a9d3fc69c646197cfdc14a0b1bab1c9f0b98608d66554da4a261", "language": "zh", "matched_nodes": ["#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[7]/div[1]/h3[0]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[95]/div[3]/p[1]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[95]/p[0]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[95]/p[2]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example:", "/versions/13/facts/0/label": "Client", "/versions/13/facts/1/label": "Case-sensitive spelling", "/versions/13/tables/0/title": "Spellings in this manual definition", "/versions/13/related/0/label": "psql command-line options and complete manual", "/versions/13/tables/0/columns/0/label": "Command", "/versions/13/tables/0/columns/1/label": "Documented suffix modifiers", "/versions/13/tables/0/rows/0/modifiers": "None listed in this signature"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "3ed5009b671c37ba3b407a082571a44042ffc0212fa5df8adda50caef7642cac"}, "comparison_data": {"modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "definition": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example: => \\echo `date` Tue Oct 26 21:40:57 CEST 1999 If the first argument is an unquoted -n the trailing newline is not written (nor is the first argument). Tip If you use the \\o command to redirect your query output you might wish to use \\qecho instead of this command. See also \\warn ."}, "comparison_hash": "1d2032e9f54477cd4983e83ea7169a58bf142fbe610fe1492b3d64f61f90d972", "manual_language": "zh"}, "14": {"facts": [{"label": "\u5ba2\u6237\u7aef", "value": "psql 14.24"}, {"label": "\u533a\u5206\u5927\u5c0f\u5199\u7684\u5199\u6cd5", "value": "\\echo"}], "tables": [{"key": "spellings", "rows": [{"command": {"url": "/wiki/psql/cmd-65-63-68-6f/?v=14", "text": "\\echo"}, "modifiers": "\u6b64\u8bed\u6cd5\u7b7e\u540d\u672a\u5217\u51fa"}], "title": "\u672c\u7248\u624b\u518c\u4e2d\u7684\u5199\u6cd5", "columns": [{"key": "command", "label": "\u547d\u4ee4"}, {"key": "modifiers", "label": "\u624b\u518c\u4e2d\u7684\u540e\u7f00\u4fee\u9970\u7b26"}]}], "command": "\\echo", "related": [{"url": "/wiki/tool/psql/?v=14", "label": "psql \u547d\u4ee4\u884c\u9009\u9879\u53ca\u5b8c\u6574\u624b\u518c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "label": "14.24", "major": "14", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/14/postgresql-14-A4.pdf", "bytes": 14354704, "pages": 2944, "sha256": "8bc6b9dd7b246888bb77f0a5e8c39a2eae52e9926569832669c7d1600becb27c", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/14/postgresql-14-US.pdf", "bytes": 14242178, "pages": 3102, "sha256": "b7ecb5a5f62d8b9f73a69e25a7d26ba285373bc53168a553bff7b77955506db4", "built_at": "2026-09-26"}}, "tree": "14", "index": "index.html", "major": "14", "pages": 1158, "release": "14.24", "source_url": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "revision": "588700d46356d8837c77c7c0a4e71e645fe6535983b8f1830aa8f2e4e41c40ae", "evidence_kind": "English manual and source declarations", "source_sha256": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sources": [{"url": "https://pg.center/docs/14/app-psql.html#APP-PSQL-META-COMMANDS", "file": "app-psql.html", "label": "14.24 English manual \u00b7 app-psql.html", "anchor": "APP-PSQL-META-COMMANDS", "sha256": "8da20abaee171c53c05658cfb2580dea645070f40bad6b46a845d710ad74c3ae", "language": "en", "original_url": "/docs/14/app-psql.html#APP-PSQL-META-COMMANDS"}], "sections": [], "modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "description": ["\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a"], "manual_html": "
\\echo text [ ... ]
\n

\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a

\n
=> \\echo `date`\nTue Oct 26 21:40:57 CEST 1999\n
\n

\u5982\u679c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u672a\u52a0\u5f15\u53f7\u7684-n\uff0c\u5219\u4e0d\u4f1a\u5199\u5165\u5c3e\u968f\u7684\u6362\u884c\u7b26\uff08\u4e5f\u4e0d\u4f1a\u5199\u5165\u7b2c\u4e00\u4e2a\u53c2\u6570\uff09\u3002

\n
\n

\u63d0\u793a

\n

\u5982\u679c\u4f7f\u7528\\o\u547d\u4ee4\u91cd\u5b9a\u5411\u67e5\u8be2\u8f93\u51fa\uff0c\u53ef\u80fd\u4f1a\u60f3\u7528\\qecho\u4ee3\u66ff\u8fd9\u4e2a\u547d\u4ee4\u3002\u53e6\u8bf7\u53c2\u9605\\warn\u3002

\n
\n
", "manual_path": "app-psql.html#APP-PSQL-META-COMMANDS", "localization": {"status": "complete", "sources": [{"url": "/docs/14/app-psql.html", "method": "same-major semantic node", "sha256": "11c74f85ef9d2c9b3921e0c622d69dd3f1b3ed0c916197a94ddab5540153e310", "language": "zh", "matched_nodes": ["#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[7]/div[1]/h3[0]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[97]/div[3]/p[1]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[97]/p[0]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[97]/p[2]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example:", "/versions/14/facts/0/label": "Client", "/versions/14/facts/1/label": "Case-sensitive spelling", "/versions/14/tables/0/title": "Spellings in this manual definition", "/versions/14/related/0/label": "psql command-line options and complete manual", "/versions/14/tables/0/columns/0/label": "Command", "/versions/14/tables/0/columns/1/label": "Documented suffix modifiers", "/versions/14/tables/0/rows/0/modifiers": "None listed in this signature"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "a7a9c6ae5f0937c30c74283d8721c80ebbdc454dd4aba140355125cb006e1271"}, "comparison_data": {"modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "definition": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example: => \\echo `date` Tue Oct 26 21:40:57 CEST 1999 If the first argument is an unquoted -n the trailing newline is not written (nor is the first argument). Tip If you use the \\o command to redirect your query output you might wish to use \\qecho instead of this command. See also \\warn ."}, "comparison_hash": "1d2032e9f54477cd4983e83ea7169a58bf142fbe610fe1492b3d64f61f90d972", "manual_language": "zh"}, "15": {"facts": [{"label": "\u5ba2\u6237\u7aef", "value": "psql 15.19"}, {"label": "\u533a\u5206\u5927\u5c0f\u5199\u7684\u5199\u6cd5", "value": "\\echo"}], "tables": [{"key": "spellings", "rows": [{"command": {"url": "/wiki/psql/cmd-65-63-68-6f/?v=15", "text": "\\echo"}, "modifiers": "\u6b64\u8bed\u6cd5\u7b7e\u540d\u672a\u5217\u51fa"}], "title": "\u672c\u7248\u624b\u518c\u4e2d\u7684\u5199\u6cd5", "columns": [{"key": "command", "label": "\u547d\u4ee4"}, {"key": "modifiers", "label": "\u624b\u518c\u4e2d\u7684\u540e\u7f00\u4fee\u9970\u7b26"}]}], "command": "\\echo", "related": [{"url": "/wiki/tool/psql/?v=15", "label": "psql \u547d\u4ee4\u884c\u9009\u9879\u53ca\u5b8c\u6574\u624b\u518c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "label": "15.19", "major": "15", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/15/postgresql-15-A4.pdf", "bytes": 14609140, "pages": 2987, "sha256": "66228564a4d16efb47d6a914085716ecfe22ca1566db56bc7c3d82f790646d72", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/15/postgresql-15-US.pdf", "bytes": 14495690, "pages": 3153, "sha256": "645a498c2390d47a6223ec74770631185807a19c484edb0fc5a295d9f460bc02", "built_at": "2026-09-26"}}, "tree": "15", "index": "index.html", "major": "15", "pages": 1168, "release": "15.19", "source_url": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "revision": "6af958c6520151fc7697d56e0616b03fb00522c4568158674d452ae0644ba545", "evidence_kind": "English manual and source declarations", "source_sha256": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sources": [{"url": "https://pg.center/docs/15/app-psql.html#APP-PSQL-META-COMMANDS", "file": "app-psql.html", "label": "15.19 English manual \u00b7 app-psql.html", "anchor": "APP-PSQL-META-COMMANDS", "sha256": "cb07228edb4914a53530afca316fd700a250cc062af2d5a74d24add93afbd0c8", "language": "en", "original_url": "/docs/15/app-psql.html#APP-PSQL-META-COMMANDS"}], "sections": [], "modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "description": ["\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a"], "manual_html": "
\\echo text [ ... ]
\n

\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a

\n
=> \\echo `date`\nTue Oct 26 21:40:57 CEST 1999\n
\n

\u5982\u679c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u672a\u52a0\u5f15\u53f7\u7684-n\uff0c\u5219\u4e0d\u4f1a\u5199\u5165\u5c3e\u968f\u7684\u6362\u884c\u7b26\uff08\u4e5f\u4e0d\u4f1a\u5199\u5165\u7b2c\u4e00\u4e2a\u53c2\u6570\uff09\u3002

\n
\n

\u63d0\u793a

\n

\u5982\u679c\u4f7f\u7528\\o\u547d\u4ee4\u91cd\u5b9a\u5411\u67e5\u8be2\u8f93\u51fa\uff0c\u53ef\u80fd\u4f1a\u60f3\u7528\\qecho\u4ee3\u66ff\u8fd9\u4e2a\u547d\u4ee4\u3002\u53e6\u8bf7\u53c2\u9605\\warn\u3002

\n
\n
", "manual_path": "app-psql.html#APP-PSQL-META-COMMANDS", "localization": {"status": "complete", "sources": [{"url": "/docs/15/app-psql.html", "method": "same-major semantic node", "sha256": "8d6ed2e3400192f466dca73fd9423e91b9ede916fe0981b7e0cd42bc091394d2", "language": "zh", "matched_nodes": ["#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[7]/div[1]/h3[0]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[99]/div[3]/p[1]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[99]/p[0]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[99]/p[2]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example:", "/versions/15/facts/0/label": "Client", "/versions/15/facts/1/label": "Case-sensitive spelling", "/versions/15/tables/0/title": "Spellings in this manual definition", "/versions/15/related/0/label": "psql command-line options and complete manual", "/versions/15/tables/0/columns/0/label": "Command", "/versions/15/tables/0/columns/1/label": "Documented suffix modifiers", "/versions/15/tables/0/rows/0/modifiers": "None listed in this signature"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "d5d41e5d6caffb34cb49e6b48838b51e5db8ea3a67546ba3a9dde43f9a3350fb"}, "comparison_data": {"modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "definition": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example: => \\echo `date` Tue Oct 26 21:40:57 CEST 1999 If the first argument is an unquoted -n the trailing newline is not written (nor is the first argument). Tip If you use the \\o command to redirect your query output you might wish to use \\qecho instead of this command. See also \\warn ."}, "comparison_hash": "1d2032e9f54477cd4983e83ea7169a58bf142fbe610fe1492b3d64f61f90d972", "manual_language": "zh"}, "16": {"facts": [{"label": "\u5ba2\u6237\u7aef", "value": "psql 16.15"}, {"label": "\u533a\u5206\u5927\u5c0f\u5199\u7684\u5199\u6cd5", "value": "\\echo"}], "tables": [{"key": "spellings", "rows": [{"command": {"url": "/wiki/psql/cmd-65-63-68-6f/?v=16", "text": "\\echo"}, "modifiers": "\u6b64\u8bed\u6cd5\u7b7e\u540d\u672a\u5217\u51fa"}], "title": "\u672c\u7248\u624b\u518c\u4e2d\u7684\u5199\u6cd5", "columns": [{"key": "command", "label": "\u547d\u4ee4"}, {"key": "modifiers", "label": "\u624b\u518c\u4e2d\u7684\u540e\u7f00\u4fee\u9970\u7b26"}]}], "command": "\\echo", "related": [{"url": "/wiki/tool/psql/?v=16", "label": "psql \u547d\u4ee4\u884c\u9009\u9879\u53ca\u5b8c\u6574\u624b\u518c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "16.15", "major": "16", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/16/postgresql-16-A4.pdf", "bytes": 15282337, "pages": 3055, "sha256": "4bb6c1f63deedac98736d8c4c7bc0fad0ac24e85b07e21ee10411872f06afd06", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/16/postgresql-16-US.pdf", "bytes": 15164148, "pages": 3220, "sha256": "5b6b6166c89991199e144bb0ae34c17a5f29826251dbf19db1abc0df3a3e771b", "built_at": "2026-09-26"}}, "tree": "16", "index": "index.html", "major": "16", "pages": 1169, "release": "16.15", "source_url": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "revision": "3c21e58b35318021716440e67bb8bafd392b6a2b965a244d90e9e33c99e0bdef", "evidence_kind": "English manual and source declarations", "source_sha256": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sources": [{"url": "https://pg.center/docs/16/app-psql.html#APP-PSQL-META-COMMAND-ECHO", "file": "app-psql.html", "label": "16.15 English manual \u00b7 app-psql.html", "anchor": "APP-PSQL-META-COMMAND-ECHO", "sha256": "add25957a1dfc97db721f2958782be186ab90dc0f0a47c4b720b2b6c26172493", "language": "en", "original_url": "/docs/16/app-psql.html#APP-PSQL-META-COMMAND-ECHO"}], "sections": [], "modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "description": ["\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a"], "manual_html": "
\\echo text [ ... ]
\n

\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a

\n
=> \\echo `date`\nTue Oct 26 21:40:57 CEST 1999\n
\n

\u5982\u679c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u672a\u52a0\u5f15\u53f7\u7684-n\uff0c\u5219\u4e0d\u4f1a\u5199\u5165\u5c3e\u968f\u7684\u6362\u884c\u7b26\uff08\u4e5f\u4e0d\u4f1a\u5199\u5165\u7b2c\u4e00\u4e2a\u53c2\u6570\uff09\u3002

\n
\n

\u63d0\u793a

\n

\u5982\u679c\u4f7f\u7528\\o\u547d\u4ee4\u91cd\u5b9a\u5411\u67e5\u8be2\u8f93\u51fa\uff0c\u53ef\u80fd\u4f1a\u60f3\u7528\\qecho\u4ee3\u66ff\u8fd9\u4e2a\u547d\u4ee4\u3002\u53e6\u8bf7\u53c2\u9605\\warn\u3002

\n
\n
", "manual_path": "app-psql.html#APP-PSQL-META-COMMAND-ECHO", "localization": {"status": "complete", "sources": [{"url": "/docs/16/app-psql.html", "method": "same-major semantic node", "sha256": "72833cd861534255277e73a650a16ab07f11c38db9df980213b8335751a3273d", "language": "zh", "matched_nodes": ["#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[103]/div[3]/p[1]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[103]/p[0]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[103]/p[2]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[9]/div[1]/h3[0]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example:", "/versions/16/facts/0/label": "Client", "/versions/16/facts/1/label": "Case-sensitive spelling", "/versions/16/tables/0/title": "Spellings in this manual definition", "/versions/16/related/0/label": "psql command-line options and complete manual", "/versions/16/tables/0/columns/0/label": "Command", "/versions/16/tables/0/columns/1/label": "Documented suffix modifiers", "/versions/16/tables/0/rows/0/modifiers": "None listed in this signature"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "26f9dcc92181cda4b48b58b21446d32d16eb25c274b7da5663da94fda0337b4c"}, "comparison_data": {"modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "definition": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example: => \\echo `date` Tue Oct 26 21:40:57 CEST 1999 If the first argument is an unquoted -n the trailing newline is not written (nor is the first argument). Tip If you use the \\o command to redirect your query output you might wish to use \\qecho instead of this command. See also \\warn ."}, "comparison_hash": "1d2032e9f54477cd4983e83ea7169a58bf142fbe610fe1492b3d64f61f90d972", "manual_language": "zh"}, "17": {"facts": [{"label": "\u5ba2\u6237\u7aef", "value": "psql 17.11"}, {"label": "\u533a\u5206\u5927\u5c0f\u5199\u7684\u5199\u6cd5", "value": "\\echo"}], "tables": [{"key": "spellings", "rows": [{"command": {"url": "/wiki/psql/cmd-65-63-68-6f/?v=17", "text": "\\echo"}, "modifiers": "\u6b64\u8bed\u6cd5\u7b7e\u540d\u672a\u5217\u51fa"}], "title": "\u672c\u7248\u624b\u518c\u4e2d\u7684\u5199\u6cd5", "columns": [{"key": "command", "label": "\u547d\u4ee4"}, {"key": "modifiers", "label": "\u624b\u518c\u4e2d\u7684\u540e\u7f00\u4fee\u9970\u7b26"}]}], "command": "\\echo", "related": [{"url": "/wiki/tool/psql/?v=17", "label": "psql \u547d\u4ee4\u884c\u9009\u9879\u53ca\u5b8c\u6574\u624b\u518c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "17.11", "major": "17", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/17/postgresql-17-A4.pdf", "bytes": 15521293, "pages": 3099, "sha256": "1991354df0dc89e70ec39328c28988ef8b19c6a93671dab3893650b63e9f4e36", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/17/postgresql-17-US.pdf", "bytes": 15398150, "pages": 3270, "sha256": "07696c8f38abf31babf22d2db337093936e7c472d2af36d050b000c49bbcf52c", "built_at": "2026-09-26"}}, "tree": "17", "index": "index.html", "major": "17", "pages": 1143, "release": "17.11", "source_url": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "svg_assets": 3, "source_mode": "en SGML built with pinned official archive", "source_sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "revision": "58419c9b0dd42cb34c8d53695bb025a7e582edf55ccd4c5bcb1c2c7c71a37487", "evidence_kind": "English manual and source declarations", "source_sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sources": [{"url": "https://pg.center/docs/17/app-psql.html#APP-PSQL-META-COMMAND-ECHO", "file": "app-psql.html", "label": "17.11 English manual \u00b7 app-psql.html", "anchor": "APP-PSQL-META-COMMAND-ECHO", "sha256": "04c77661f1c96a64e91a27313542c34aff0c7d2a94e350ed98c6f9f35700629b", "language": "en", "original_url": "/docs/17/app-psql.html#APP-PSQL-META-COMMAND-ECHO"}], "sections": [], "modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "description": ["\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a"], "manual_html": "
\\echo text [ ... ]
\n

\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a

\n
=> \\echo `date`\nTue Oct 26 21:40:57 CEST 1999\n
\n

\u5982\u679c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u672a\u52a0\u5f15\u53f7\u7684-n\uff0c\u5219\u4e0d\u4f1a\u5199\u5165\u5c3e\u968f\u7684\u6362\u884c\u7b26\uff08\u4e5f\u4e0d\u4f1a\u5199\u5165\u7b2c\u4e00\u4e2a\u53c2\u6570\uff09\u3002

\n
\n

\u63d0\u793a

\n

\u5982\u679c\u4f7f\u7528\\o\u547d\u4ee4\u91cd\u5b9a\u5411\u67e5\u8be2\u8f93\u51fa\uff0c\u53ef\u80fd\u4f1a\u60f3\u7528\\qecho\u4ee3\u66ff\u8fd9\u4e2a\u547d\u4ee4\u3002\u53e6\u8bf7\u53c2\u9605\\warn\u3002

\n
\n
", "manual_path": "app-psql.html#APP-PSQL-META-COMMAND-ECHO", "localization": {"status": "complete", "sources": [{"url": "/docs/17/app-psql.html", "method": "same-major semantic node", "sha256": "820a5ee48a79666cef06bfe375ea9337e7a347b6d32c921738edd824fe5aa9f8", "language": "zh", "matched_nodes": ["#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[103]/div[3]/p[1]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[103]/p[0]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[103]/p[2]", "#APP-PSQL/div[7]/div[3]/div[10]/dl[0]/dd[9]/div[1]/h3[0]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example:", "/versions/17/facts/0/label": "Client", "/versions/17/facts/1/label": "Case-sensitive spelling", "/versions/17/tables/0/title": "Spellings in this manual definition", "/versions/17/related/0/label": "psql command-line options and complete manual", "/versions/17/tables/0/columns/0/label": "Command", "/versions/17/tables/0/columns/1/label": "Documented suffix modifiers", "/versions/17/tables/0/rows/0/modifiers": "None listed in this signature"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "f758ed474e1e9a63744fdcf9ff1b0d83e58bdc37f139d8003b2fa01a7992125a"}, "comparison_data": {"modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "definition": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example: => \\echo `date` Tue Oct 26 21:40:57 CEST 1999 If the first argument is an unquoted -n the trailing newline is not written (nor is the first argument). Tip If you use the \\o command to redirect your query output you might wish to use \\qecho instead of this command. See also \\warn ."}, "comparison_hash": "1d2032e9f54477cd4983e83ea7169a58bf142fbe610fe1492b3d64f61f90d972", "manual_language": "zh"}, "18": {"facts": [{"label": "\u5ba2\u6237\u7aef", "value": "psql 18.6"}, {"label": "\u533a\u5206\u5927\u5c0f\u5199\u7684\u5199\u6cd5", "value": "\\echo"}], "tables": [{"key": "spellings", "rows": [{"command": {"url": "/wiki/psql/cmd-65-63-68-6f/?v=18", "text": "\\echo"}, "modifiers": "\u6b64\u8bed\u6cd5\u7b7e\u540d\u672a\u5217\u51fa"}], "title": "\u672c\u7248\u624b\u518c\u4e2d\u7684\u5199\u6cd5", "columns": [{"key": "command", "label": "\u547d\u4ee4"}, {"key": "modifiers", "label": "\u624b\u518c\u4e2d\u7684\u540e\u7f00\u4fee\u9970\u7b26"}]}], "command": "\\echo", "related": [{"url": "/wiki/tool/psql/?v=18", "label": "psql \u547d\u4ee4\u884c\u9009\u9879\u53ca\u5b8c\u6574\u624b\u518c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/18/postgresql-18-A4.pdf", "bytes": 15865106, "pages": 3154, "sha256": "19512c405da53f9f7fcf0abba359223aa65f021be025bf3411381918f92e3190", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/18/postgresql-18-US.pdf", "bytes": 15748059, "pages": 3328, "sha256": "facbe6c229e598b872d3d98bef53308f46e06746006fa4590de9a7de9dd46319", "built_at": "2026-09-26"}}, "tree": "18", "index": "index.html", "major": "18", "pages": 1148, "release": "18.6", "source_url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "svg_assets": 3, "source_mode": "en SGML built with pinned official archive", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8", "evidence_kind": "English manual and source declarations", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": "https://pg.center/docs/18/app-psql.html#APP-PSQL-META-COMMAND-ECHO", "file": "app-psql.html", "label": "18.6 English manual \u00b7 app-psql.html", "anchor": "APP-PSQL-META-COMMAND-ECHO", "sha256": "fa2a1d39294b8854318e82e93f71272c645ed88150ecc2786c28902c3f32782c", "language": "en", "original_url": "/docs/18/app-psql.html#APP-PSQL-META-COMMAND-ECHO"}], "sections": [], "modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "description": ["\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a"], "manual_html": "
\\echo text [ ... ]
\n

\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a

\n
=> \\echo `date`\nTue Oct 26 21:40:57 CEST 1999\n
\n

\u5982\u679c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u672a\u52a0\u5f15\u53f7\u7684-n\uff0c\u5219\u4e0d\u4f1a\u5199\u5165\u5c3e\u968f\u7684\u6362\u884c\u7b26\uff08\u4e5f\u4e0d\u4f1a\u5199\u5165\u7b2c\u4e00\u4e2a\u53c2\u6570\uff09\u3002

\n
\n

\u63d0\u793a

\n

\u5982\u679c\u4f7f\u7528\\o\u547d\u4ee4\u91cd\u5b9a\u5411\u67e5\u8be2\u8f93\u51fa\uff0c\u53ef\u80fd\u4f1a\u60f3\u7528\\qecho\u4ee3\u66ff\u8fd9\u4e2a\u547d\u4ee4\u3002\u53e6\u8bf7\u53c2\u9605\\warn\u3002

\n
\n
", "manual_path": "app-psql.html#APP-PSQL-META-COMMAND-ECHO", "localization": {"status": "complete", "sources": [{"url": "/docs/18/app-psql.html", "method": "same-major semantic node", "sha256": "4ff5633229e0afa7feecc2750a7187d2d45a7eef0ca8febc73e4e5c15ac7fa6d", "language": "zh", "matched_nodes": ["#APP-PSQL/div[7]/div[3]/div[11]/dl[0]/dd[107]/div[3]/p[1]", "#APP-PSQL/div[7]/div[3]/div[11]/dl[0]/dd[107]/p[0]", "#APP-PSQL/div[7]/div[3]/div[11]/dl[0]/dd[107]/p[2]", "#APP-PSQL/div[7]/div[3]/div[11]/dl[0]/dd[11]/div[1]/h3[0]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example:", "/versions/18/facts/0/label": "Client", "/versions/18/facts/1/label": "Case-sensitive spelling", "/versions/18/tables/0/title": "Spellings in this manual definition", "/versions/18/related/0/label": "psql command-line options and complete manual", "/versions/18/tables/0/columns/0/label": "Command", "/versions/18/tables/0/columns/1/label": "Documented suffix modifiers", "/versions/18/tables/0/rows/0/modifiers": "None listed in this signature"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "2aecc3af8d23336582410f7a28c63478e4e4c550655322ca69983de72b5b10a1"}, "comparison_data": {"modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "definition": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example: => \\echo `date` Tue Oct 26 21:40:57 CEST 1999 If the first argument is an unquoted -n the trailing newline is not written (nor is the first argument). Tip If you use the \\o command to redirect your query output you might wish to use \\qecho instead of this command. See also \\warn ."}, "comparison_hash": "1d2032e9f54477cd4983e83ea7169a58bf142fbe610fe1492b3d64f61f90d972", "manual_language": "zh"}, "19": {"facts": [{"label": "\u5ba2\u6237\u7aef", "value": "psql 19beta4"}, {"label": "\u533a\u5206\u5927\u5c0f\u5199\u7684\u5199\u6cd5", "value": "\\echo"}], "tables": [{"key": "spellings", "rows": [{"command": {"url": "/wiki/psql/cmd-65-63-68-6f/?v=19", "text": "\\echo"}, "modifiers": "\u6b64\u8bed\u6cd5\u7b7e\u540d\u672a\u5217\u51fa"}], "title": "\u672c\u7248\u624b\u518c\u4e2d\u7684\u5199\u6cd5", "columns": [{"key": "command", "label": "\u547d\u4ee4"}, {"key": "modifiers", "label": "\u624b\u518c\u4e2d\u7684\u540e\u7f00\u4fee\u9970\u7b26"}]}], "command": "\\echo", "related": [{"url": "/wiki/tool/psql/?v=19", "label": "psql \u547d\u4ee4\u884c\u9009\u9879\u53ca\u5b8c\u6574\u624b\u518c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v19beta4/postgresql-19beta4.tar.bz2", "label": "19beta4", "major": "19", "channel": "preview", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/19/postgresql-19-A4.pdf", "bytes": 16064841, "pages": 3052, "sha256": "4dd099e4125c591128fc5f3ebd02178dc24781f9e5ae629f96d67c4c8547427b", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/19/postgresql-19-US.pdf", "bytes": 15974616, "pages": 3225, "sha256": "61971fa857f0956d47341a0388fa6af9ae10acf691d4b2fc009007d384b0342b", "built_at": "2026-09-26"}}, "tree": "19", "index": "index.html", "major": "19", "pages": 1155, "release": "19beta4", "source_url": "https://ftp.postgresql.org/pub/source/v19beta4/postgresql-19beta4.tar.bz2", "svg_assets": 5, "source_mode": "en SGML built with pinned official archive", "source_sha256": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}, "revision": "1bbbbf4133d426f0e4304010688d2984c30fb67df0cc3a61b3e37eb3f6f37833", "evidence_kind": "English manual and source declarations", "source_sha256": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}, "sources": [{"url": "https://pg.center/docs/19/app-psql.html#APP-PSQL-META-COMMAND-ECHO", "file": "app-psql.html", "label": "19beta4 English manual \u00b7 app-psql.html", "anchor": "APP-PSQL-META-COMMAND-ECHO", "sha256": "312975c12d6e4d62aeebcb5e98e7ca795c6d07ecb743b4bc64403dc42bc2a6e9", "language": "en", "original_url": "/docs/19/app-psql.html#APP-PSQL-META-COMMAND-ECHO"}], "sections": [], "modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "description": ["\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a"], "manual_html": "
\\echo text [ ... ]
\n

\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a

\n
=> \\echo `date`\nTue Oct 26 21:40:57 CEST 1999\n
\n

\u5982\u679c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u672a\u52a0\u5f15\u53f7\u7684-n\uff0c\u5219\u4e0d\u4f1a\u5199\u5165\u5c3e\u968f\u7684\u6362\u884c\u7b26\uff08\u4e5f\u4e0d\u4f1a\u5199\u5165\u7b2c\u4e00\u4e2a\u53c2\u6570\uff09\u3002

\n
\n

\u63d0\u793a

\n

\u5982\u679c\u4f7f\u7528\\o\u547d\u4ee4\u91cd\u5b9a\u5411\u67e5\u8be2\u8f93\u51fa\uff0c\u53ef\u80fd\u4f1a\u60f3\u7528\\qecho\u4ee3\u66ff\u8fd9\u4e2a\u547d\u4ee4\u3002\u53e6\u8bf7\u53c2\u9605\\warn\u3002

\n
\n
", "manual_path": "app-psql.html#APP-PSQL-META-COMMAND-ECHO", "localization": {"status": "complete", "sources": [{"url": "/docs/19/app-psql.html", "method": "same-major semantic node", "sha256": "1351be06967585f99a84454a26dff346091ea378daf6c7ed9fa18edee9d1131c", "language": "zh", "matched_nodes": ["#APP-PSQL/div[7]/div[3]/div[11]/dl[0]/dd[107]/div[3]/p[1]", "#APP-PSQL/div[7]/div[3]/div[11]/dl[0]/dd[107]/p[0]", "#APP-PSQL/div[7]/div[3]/div[11]/dl[0]/dd[107]/p[2]", "#APP-PSQL/div[7]/div[3]/div[11]/dl[0]/dd[11]/div[1]/h3[0]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example:", "/versions/19/facts/0/label": "Client", "/versions/19/facts/1/label": "Case-sensitive spelling", "/versions/19/tables/0/title": "Spellings in this manual definition", "/versions/19/related/0/label": "psql command-line options and complete manual", "/versions/19/tables/0/columns/0/label": "Command", "/versions/19/tables/0/columns/1/label": "Documented suffix modifiers", "/versions/19/tables/0/rows/0/modifiers": "None listed in this signature"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "324dde3e7ddb8de82697eb3b632f43ced2a0417c38bf3dcb82320a261f75eaae"}, "comparison_data": {"modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "definition": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example: => \\echo `date` Tue Oct 26 21:40:57 CEST 1999 If the first argument is an unquoted -n the trailing newline is not written (nor is the first argument). Tip If you use the \\o command to redirect your query output you might wish to use \\qecho instead of this command. See also \\warn ."}, "comparison_hash": "1d2032e9f54477cd4983e83ea7169a58bf142fbe610fe1492b3d64f61f90d972", "manual_language": "zh"}, "20": {"facts": [{"label": "\u5ba2\u6237\u7aef", "value": "psql 20devel"}, {"label": "\u533a\u5206\u5927\u5c0f\u5199\u7684\u5199\u6cd5", "value": "\\echo"}], "tables": [{"key": "spellings", "rows": [{"command": {"url": "/wiki/psql/cmd-65-63-68-6f/?v=20", "text": "\\echo"}, "modifiers": "\u6b64\u8bed\u6cd5\u7b7e\u540d\u672a\u5217\u51fa"}], "title": "\u672c\u7248\u624b\u518c\u4e2d\u7684\u5199\u6cd5", "columns": [{"key": "command", "label": "\u547d\u4ee4"}, {"key": "modifiers", "label": "\u624b\u518c\u4e2d\u7684\u540e\u7f00\u4fee\u9970\u7b26"}]}], "command": "\\echo", "related": [{"url": "/wiki/tool/psql/?v=20", "label": "psql \u547d\u4ee4\u884c\u9009\u9879\u53ca\u5b8c\u6574\u624b\u518c"}], "release": {"ref": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "20devel", "major": "20", "channel": "devel", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/20/postgresql-20-A4.pdf", "bytes": 16030631, "pages": 3052, "sha256": "bd5d82c0ce38fc18f92a0447818a91a193a261776bca1c37564bf9a683e177d0", "built_at": "2026-09-28"}, "US": {"url": "/files/documentation/pdf/20/postgresql-20-US.pdf", "bytes": 15936613, "pages": 3223, "sha256": "d97d9e0db479a02f4234b175f50fcad70c3661619afc8d6df9b9437882e3c299", "built_at": "2026-09-28"}}, "tree": "0", "index": "index.html", "major": "20", "pages": 1156, "release": "20devel", "source_url": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "svg_assets": 6, "source_mode": "en SGML built with pinned official archive", "source_sha256": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41", "source_snapshot_utc": "26-Sep-2026 20:22"}, "revision": "2eba5e0fd4c3bffb2803247b6cd537878e9d6ee5a6dfbe3c50ece8b421b80918", "evidence_kind": "English manual and source declarations", "source_sha256": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41"}, "sources": [{"url": "https://pg.center/docs/devel/app-psql.html#APP-PSQL-META-COMMAND-ECHO", "file": "app-psql.html", "label": "20devel English manual \u00b7 app-psql.html", "anchor": "APP-PSQL-META-COMMAND-ECHO", "sha256": "6df5f6fbaff7800ae0e4a08a3116090d890a0cdcc02fddc31c1f220725905f87", "language": "en", "original_url": "/docs/devel/app-psql.html#APP-PSQL-META-COMMAND-ECHO"}], "sections": [], "modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "description": ["\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a"], "manual_html": "
\\echo text [ ... ]
\n

\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a

\n
=> \\echo `date`\nTue Oct 26 21:40:57 CEST 1999\n
\n

\u5982\u679c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u672a\u52a0\u5f15\u53f7\u7684-n\uff0c\u5219\u4e0d\u4f1a\u5199\u5165\u5c3e\u968f\u7684\u6362\u884c\u7b26\uff08\u4e5f\u4e0d\u4f1a\u5199\u5165\u7b2c\u4e00\u4e2a\u53c2\u6570\uff09\u3002

\n
\n

\u63d0\u793a

\n

\u5982\u679c\u4f7f\u7528\\o\u547d\u4ee4\u91cd\u5b9a\u5411\u67e5\u8be2\u8f93\u51fa\uff0c\u53ef\u80fd\u4f1a\u60f3\u7528\\qecho\u4ee3\u66ff\u8fd9\u4e2a\u547d\u4ee4\u3002\u53e6\u8bf7\u53c2\u9605\\warn\u3002

\n
\n
", "manual_path": "app-psql.html#APP-PSQL-META-COMMAND-ECHO", "localization": {"status": "complete", "sources": [{"url": "/docs/devel/app-psql.html", "method": "same-major semantic node", "sha256": "1590b6e290ad21fe3ac1c1549628841ae426d1cd07a8f808789207878dbee5ab", "language": "zh", "matched_nodes": ["#APP-PSQL/div[7]/div[3]/div[11]/dl[0]/dd[107]/div[3]/p[1]", "#APP-PSQL/div[7]/div[3]/div[11]/dl[0]/dd[107]/p[0]", "#APP-PSQL/div[7]/div[3]/div[11]/dl[0]/dd[107]/p[2]", "#APP-PSQL/div[7]/div[3]/div[11]/dl[0]/dd[11]/div[1]/h3[0]"]}], "language": "zh", "original_text": {"/summary": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example:", "/category": "Scripting and assistance", "/versions/20/description/0": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example:", "/versions/20/facts/0/label": "Client", "/versions/20/facts/1/label": "Case-sensitive spelling", "/versions/20/tables/0/title": "Spellings in this manual definition", "/versions/20/related/0/label": "psql command-line options and complete manual", "/versions/20/tables/0/columns/0/label": "Command", "/versions/20/tables/0/columns/1/label": "Documented suffix modifiers", "/versions/20/tables/0/rows/0/modifiers": "None listed in this signature"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "7f6c798218c16d04a69b7a806e37ce0eb97d4232839d5a7afe4db3132c2bc273"}, "comparison_data": {"modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "definition": "Prints the evaluated arguments to standard output, separated by spaces and followed by a newline. This can be useful to intersperse information in the output of scripts. For example: => \\echo `date` Tue Oct 26 21:40:57 CEST 1999 If the first argument is an unquoted -n the trailing newline is not written (nor is the first argument). Tip If you use the \\o command to redirect your query output you might wish to use \\qecho instead of this command. See also \\warn ."}, "comparison_hash": "1d2032e9f54477cd4983e83ea7169a58bf142fbe610fe1492b3d64f61f90d972", "manual_language": "zh"}}}, "snapshot": {"facts": [{"label": "\u5ba2\u6237\u7aef", "value": "psql 18.6"}, {"label": "\u533a\u5206\u5927\u5c0f\u5199\u7684\u5199\u6cd5", "value": "\\echo"}], "tables": [{"key": "spellings", "rows": [{"command": {"url": "/wiki/psql/cmd-65-63-68-6f/?v=18", "text": "\\echo"}, "modifiers": "\u6b64\u8bed\u6cd5\u7b7e\u540d\u672a\u5217\u51fa"}], "title": "\u672c\u7248\u624b\u518c\u4e2d\u7684\u5199\u6cd5", "columns": [{"key": "command", "label": "\u547d\u4ee4"}, {"key": "modifiers", "label": "\u624b\u518c\u4e2d\u7684\u540e\u7f00\u4fee\u9970\u7b26"}]}], "command": "\\echo", "related": [{"url": "/wiki/tool/psql/?v=18", "label": "psql \u547d\u4ee4\u884c\u9009\u9879\u53ca\u5b8c\u6574\u624b\u518c"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/18/postgresql-18-A4.pdf", "bytes": 15865106, "pages": 3154, "sha256": "19512c405da53f9f7fcf0abba359223aa65f021be025bf3411381918f92e3190", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/18/postgresql-18-US.pdf", "bytes": 15748059, "pages": 3328, "sha256": "facbe6c229e598b872d3d98bef53308f46e06746006fa4590de9a7de9dd46319", "built_at": "2026-09-26"}}, "tree": "18", "index": "index.html", "major": "18", "pages": 1148, "release": "18.6", "source_url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "svg_assets": 3, "source_mode": "en SGML built with pinned official archive", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8", "evidence_kind": "English manual and source declarations", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": "https://pg.center/docs/18/app-psql.html#APP-PSQL-META-COMMAND-ECHO", "file": "app-psql.html", "label": "18.6 English manual \u00b7 app-psql.html", "anchor": "APP-PSQL-META-COMMAND-ECHO", "sha256": "fa2a1d39294b8854318e82e93f71272c645ed88150ecc2786c28902c3f32782c", "language": "en", "original_url": "/docs/18/app-psql.html#APP-PSQL-META-COMMAND-ECHO"}], "sections": [], "modifiers": [], "signature": "\\echo text [ ... ]", "spellings": ["\\echo"], "description": ["\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a"], "manual_html": "
\\echo text [ ... ]
\n

\u5c06\u6c42\u503c\u540e\u7684\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7528\u7a7a\u683c\u5206\u9694\uff0c\u5e76\u5728\u672b\u5c3e\u52a0\u4e0a\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u5728\u811a\u672c\u8f93\u51fa\u4e2d\u7a7f\u63d2\u4fe1\u606f\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a

\n
=> \\echo `date`\nTue Oct 26 21:40:57 CEST 1999\n
\n

\u5982\u679c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u672a\u52a0\u5f15\u53f7\u7684-n\uff0c\u5219\u4e0d\u4f1a\u5199\u5165\u5c3e\u968f\u7684\u6362\u884c\u7b26\uff08\u4e5f\u4e0d\u4f1a\u5199\u5165\u7b2c\u4e00\u4e2a\u53c2\u6570\uff09\u3002

\n
\n

\u63d0\u793a

\n

\u5982\u679c\u4f7f\u7528\\o\u547d\u4ee4\u91cd\u5b9a\u5411\u67e5\u8be2\u8f93\u51fa\uff0c\u53ef\u80fd\u4f1a\u60f3\u7528\\qecho\u4ee3\u66ff\u8fd9\u4e2a\u547d\u4ee4\u3002\u53e6\u8bf7\u53c2\u9605\\warn\u3002

\n
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