{"id":210591,"date":"2023-12-22T06:22:16","date_gmt":"2023-12-21T22:22:16","guid":{"rendered":"https:\/\/www.idc.net\/help\/210591\/"},"modified":"2023-12-22T06:22:16","modified_gmt":"2023-12-21T22:22:16","slug":"linux-%e5%91%bd%e4%bb%a4%ef%bc%9aecho-%e6%98%be%e7%a4%ba%e4%b8%80%e8%a1%8c%e6%96%87%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/210591\/","title":{"rendered":"Linux \u547d\u4ee4\uff1aecho &#8211; \u663e\u793a\u4e00\u884c\u6587\u672c"},"content":{"rendered":"<p><title id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9aecho-%e6%98%be%e7%a4%ba%e4%b8%80%e8%a1%8c%e6%96%87%e6%9c%ac-ICPZYhLqZS\">Linux \u547d\u4ee4\uff1aecho - \u663e\u793a\u4e00\u884c\u6587\u672c<\/title><\/p>\n<h1 id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9aecho-%e6%98%be%e7%a4%ba%e4%b8%80%e8%a1%8c%e6%96%87%e6%9c%ac-ICPZYhLqZS\">Linux \u547d\u4ee4\uff1aecho - \u663e\u793a\u4e00\u884c\u6587\u672c<\/h1>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c<code>echo<\/code>\u547d\u4ee4\u7528\u4e8e\u5728\u7ec8\u7aef\u4e0a\u663e\u793a\u4e00\u884c\u6587\u672c\u3002\u5b83\u662f\u4e00\u4e2a\u975e\u5e38\u5e38\u7528\u7684\u547d\u4ee4\uff0c\u53ef\u4ee5\u7528\u4e8e\u8f93\u51fa\u5b57\u7b26\u4e32\u3001\u53d8\u91cf\u503c\u4ee5\u53ca\u5176\u4ed6\u6587\u672c\u5185\u5bb9\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e8%af%ad%e6%b3%95-ICPZYhLqZS\">\u57fa\u672c\u8bed\u6cd5<\/h2>\n<p>\u4e0b\u9762\u662f<code>echo<\/code>\u547d\u4ee4\u7684\u57fa\u672c\u8bed\u6cd5\uff1a<\/p>\n<pre><code>echo [\u9009\u9879] [\u5b57\u7b26\u4e32]<\/code><\/pre>\n<p>\u9009\u9879\u662f\u53ef\u9009\u7684\uff0c\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u8f93\u51fa\u7684\u683c\u5f0f\u3002\u5b57\u7b26\u4e32\u662f\u8981\u663e\u793a\u7684\u6587\u672c\u5185\u5bb9\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-ICPZYhLqZS\">\u793a\u4f8b<\/h2>\n<p>\u4e0b\u9762\u662f\u4e00\u4e9b<code>echo<\/code>\u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>$ echo \"Hello, World!\"\nHello, World!\n\n$ echo -n \"Hello, World!\"\nHello, World!$\n\n$ echo -e \"Line 1nLine 2\"\nLine 1\nLine 2\n\n$ echo -e \"This is 33[31mred33[0m.\"\nThis is red.<\/code><\/pre>\n<p>\u5728\u7b2c\u4e00\u4e2a\u793a\u4f8b\u4e2d\uff0c<code>echo<\/code>\u547d\u4ee4\u8f93\u51fa\u4e86\u5b57\u7b26\u4e32\"Hello, World!\"\u3002\u5728\u7b2c\u4e8c\u4e2a\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528\u4e86<code>-n<\/code>\u9009\u9879\uff0c\u5b83\u4f1a\u963b\u6b62<code>echo<\/code>\u547d\u4ee4\u5728\u8f93\u51fa\u540e\u6dfb\u52a0\u6362\u884c\u7b26\u3002\u5728\u7b2c\u4e09\u4e2a\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528\u4e86<code>-e<\/code>\u9009\u9879\uff0c\u5b83\u5141\u8bb8\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26\u3002\u5728\u7b2c\u56db\u4e2a\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528\u4e86ANSI\u8f6c\u4e49\u5e8f\u5217\u6765\u6539\u53d8\u8f93\u51fa\u6587\u672c\u7684\u989c\u8272\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e7%94%a8%e9%80%89%e9%a1%b9-ICPZYhLqZS\">\u5e38\u7528\u9009\u9879<\/h2>\n<p>\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u7528\u7684<code>echo<\/code>\u547d\u4ee4\u9009\u9879\uff1a<\/p>\n<ul>\n<li><code>-n<\/code>\uff1a\u963b\u6b62<code>echo<\/code>\u547d\u4ee4\u5728\u8f93\u51fa\u540e\u6dfb\u52a0\u6362\u884c\u7b26\u3002<\/li>\n<li><code>-e<\/code>\uff1a\u5141\u8bb8\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26\u3002<\/li>\n<li><code>-E<\/code>\uff1a\u7981\u6b62\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26\uff08\u9ed8\u8ba4\u9009\u9879\uff09\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%bb%93%e8%ae%ba-ICPZYhLqZS\">\u7ed3\u8bba<\/h2>\n<p><code>echo<\/code>\u547d\u4ee4\u662fLinux\u7cfb\u7edf\u4e2d\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u547d\u4ee4\uff0c\u53ef\u4ee5\u7528\u4e8e\u5728\u7ec8\u7aef\u4e0a\u663e\u793a\u4e00\u884c\u6587\u672c\u3002\u5b83\u5177\u6709\u4e30\u5bcc\u7684\u9009\u9879\uff0c\u53ef\u4ee5\u63a7\u5236\u8f93\u51fa\u7684\u683c\u5f0f\u3002\u65e0\u8bba\u662f\u8f93\u51fa\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u8fd8\u662f\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26\u6765\u6539\u53d8\u6587\u672c\u7684\u6837\u5f0f\uff0c<code>echo<\/code>\u547d\u4ee4\u90fd\u80fd\u6ee1\u8db3\u4f60\u7684\u9700\u6c42\u3002<\/p>\n<h2 id=\"summary-section-ICPZYhLqZS\">Summary Section<\/h2>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u63d0\u4f9b\u9ad8\u6027\u80fd\u3001\u7a33\u5b9a\u53ef\u9760\u7684\u9999\u6e2f\u670d\u52a1\u5668\u3002\u6211\u4eec\u7684\u9999\u6e2f\u670d\u52a1\u5668\u4ef7\u683c\u5b9e\u60e0\uff0c\u6027\u4ef7\u6bd4\u9ad8\u3002\u6b22\u8fce\u8bbf\u95ee\u6211\u4eec\u7684<a href=\"https:\/\/idc.net\">\u5b98\u7f51<\/a>\u4e86\u89e3\u66f4\u591a\u8be6\u60c5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux \u547d\u4ee4\uff1aecho - \u663e\u793a\u4e00\u884c\u6587\u672c Linux \u547d\u4ee4\uff1aecho - \u663e\u793a\u4e00\u884c\u6587\u672c \u5728Linux\u7cfb\u7edf\u4e2d [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-210591","post","type-post","status-publish","format-standard","hentry","category-centos"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/210591","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=210591"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/210591\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=210591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=210591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=210591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}