{"id":17434,"date":"2024-11-18T10:49:05","date_gmt":"2024-11-18T02:49:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/17434\/"},"modified":"2024-11-18T10:49:05","modified_gmt":"2024-11-18T02:49:05","slug":"%e5%ad%a6%e4%b9%a0%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8linux-read%e5%91%bd%e4%bb%a4%e5%8f%8a%e5%85%b6%e5%9f%ba%e6%9c%ac%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/17434\/","title":{"rendered":"\u5b66\u4e60\u5982\u4f55\u4f7f\u7528Linux read\u547d\u4ee4\u53ca\u5176\u57fa\u672c\u529f\u80fd"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/164\/170875893376568.jpg\" class=\"aligncenter\" title=\"\u5b66\u4e60\u5982\u4f55\u4f7f\u7528Linux read\u547d\u4ee4\u53ca\u5176\u57fa\u672c\u529f\u80fd\u63d2\u56fe\" alt=\"\u5b66\u4e60\u5982\u4f55\u4f7f\u7528Linux read\u547d\u4ee4\u53ca\u5176\u57fa\u672c\u529f\u80fd\u63d2\u56fe\" \/><\/p>\n<p>\u300a\u638c\u63e1Linux read\u547d\u4ee4\u7684\u57fa\u672c\u529f\u80fd\u548c\u64cd\u4f5c\u6280\u5de7\u300b<\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0cread\u547d\u4ee4\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u547d\u4ee4\uff0c\u7528\u4e8e\u4ece\u6807\u51c6\u8f93\u5165\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u901a\u8fc7read\u547d\u4ee4\uff0c\u7528\u6237\u53ef\u4ee5\u4ea4\u4e92\u5f0f\u5730\u8f93\u5165\u6570\u636e\uff0c\u6216\u8005\u5c06\u6570\u636e\u5b58\u50a8\u5230\u53d8\u91cf\u4e2d\u8fdb\u884c\u540e\u7eed\u5904\u7406\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8read\u547d\u4ee4\u7684\u57fa\u672c\u529f\u80fd\u548c\u64cd\u4f5c\u6280\u5de7\uff0c\u540c\u65f6\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u8fd0\u7528\u8fd9\u4e2a\u547d\u4ee4\u3002<\/p>\n<h3>read\u547d\u4ee4\u7684\u57fa\u672c\u7528\u6cd5<\/h3>\n<p>read\u547d\u4ee4\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>read [options] &lt;variable&gt;&lt;\/variable&gt;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5176\u4e2d\uff0cvariable\u662f\u7528\u6765\u5b58\u50a8\u8f93\u5165\u6570\u636e\u7684\u53d8\u91cf\u540d\uff0c\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u5c06\u4f1a\u88ab\u8d4b\u503c\u7ed9\u8fd9\u4e2a\u53d8\u91cf\u3002\u4e0b\u9762\u662fread\u547d\u4ee4\u7684\u4e00\u4e9b\u5e38\u7528\u9009\u9879\uff1a<\/p>\n<ul>\n<li>-p prompt\uff1a\u6307\u5b9a\u4e00\u4e2a\u63d0\u793a\u7b26\uff0c\u663e\u793a\u5728\u7528\u6237\u8f93\u5165\u6570\u636e\u4e4b\u524d\u3002<\/li>\n<li>-t timeout\uff1a\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4\uff0c\u5355\u4f4d\u4e3a\u79d2\uff0c\u8d85\u8fc7\u8fd9\u4e2a\u65f6\u95f4\u540e\u5c06\u81ea\u52a8\u7ed3\u675f\u8bfb\u53d6\u3002<\/li>\n<li>-r\uff1a\u4e0d\u5bf9\u53cd\u659c\u6760\u5b57\u7b26\u8fdb\u884c\u8f6c\u4e49\uff0c\u5e38\u7528\u4e8e\u8bfb\u53d6\u8def\u5f84\u7b49\u542b\u6709\u7279\u6b8a\u5b57\u7b26\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n<h3>read\u547d\u4ee4\u7684\u64cd\u4f5c\u6280\u5de7<\/h3>\n<ol>\n<li><strong>\u8bfb\u53d6\u7528\u6237\u8f93\u5165\u5e76\u5b58\u50a8\u5230\u53d8\u91cf\u4e2d<\/strong><\/li>\n<\/ol>\n<p>\u901a\u8fc7read\u547d\u4ee4\u53ef\u4ee5\u8bfb\u53d6\u7528\u6237\u7684\u8f93\u5165\uff0c\u5e76\u5c06\u8f93\u5165\u7684\u6570\u636e\u5b58\u50a8\u5230\u6307\u5b9a\u7684\u53d8\u91cf\u4e2d\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u5c06\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u5b58\u50a8\u5230\u53d8\u91cfname\u4e2d\uff1a<\/p>\n<pre>read -p \"\u8bf7\u8f93\u5165\u60a8\u7684\u59d3\u540d\uff1a\" name\necho \"\u60a8\u8f93\u5165\u7684\u59d3\u540d\u662f\uff1a$name\"<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li><strong>\u4f7f\u7528\u8d85\u65f6\u529f\u80fd<\/strong><\/li>\n<\/ol>\n<p>\u6709\u65f6\u5019\u9700\u8981\u8bbe\u7f6e\u4e00\u4e2a\u8d85\u65f6\u65f6\u95f4\uff0c\u4ee5\u514d\u7528\u6237\u957f\u65f6\u95f4\u4e0d\u8f93\u5165\u6570\u636e\u800c\u5bfc\u81f4\u7a0b\u5e8f\u65e0\u54cd\u5e94\u3002\u901a\u8fc7-t\u9009\u9879\u53ef\u4ee5\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4\uff0c\u4f8b\u5982\u4e0b\u9762\u7684\u547d\u4ee4\u5c06\u572810\u79d2\u5185\u7b49\u5f85\u7528\u6237\u8f93\u5165\uff0c\u8d85\u65f6\u540e\u5c06\u81ea\u52a8\u7ed3\u675f\uff1a<\/p>\n<pre>read -t 10 -p \"\u8bf7\u572810\u79d2\u5185\u8f93\u5165\u6570\u636e\uff1a\" data\necho \"\u60a8\u8f93\u5165\u7684\u6570\u636e\u662f\uff1a$data\"<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li><strong>\u8bfb\u53d6\u5bc6\u7801\u8f93\u5165<\/strong><\/li>\n<\/ol>\n<p>\u5f53\u9700\u8981\u7528\u6237\u8f93\u5165\u5bc6\u7801\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528-s\u9009\u9879\u6765\u9690\u85cf\u7528\u6237\u8f93\u5165\u7684\u5185\u5bb9\uff0c\u4ee5\u4fdd\u62a4\u5bc6\u7801\u7684\u5b89\u5168\u6027\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<pre>read -s -p \"\u8bf7\u8f93\u5165\u60a8\u7684\u5bc6\u7801\uff1a\" password\necho \"\u60a8\u8f93\u5165\u7684\u5bc6\u7801\u662f\uff1a$password\"<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li><strong>\u7ed3\u5408\u5faa\u73af\u548c\u6761\u4ef6\u5224\u65ad<\/strong><\/li>\n<\/ol>\n<p>\u7ed3\u5408read\u547d\u4ee4\u3001\u5faa\u73af\u8bed\u53e5\u548c\u6761\u4ef6\u5224\u65ad\uff0c\u80fd\u591f\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u7528\u6237\u4ea4\u4e92\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u793a\u4f8b\u4f7f\u7528while\u5faa\u73af\uff0c\u5982\u679c\u7528\u6237\u8f93\u5165\u7684\u662f&#8221;exit&#8221;\u5219\u9000\u51fa\u5faa\u73af\uff1a<\/p>\n<pre>while true\ndo\n    read -p \"\u8bf7\u8f93\u5165\u6570\u636e\uff08\u8f93\u5165exit\u9000\u51fa\uff09\uff1a\" input\n    if [ \"$input\" = \"exit\" ]\n    then\n        break\n    fi\n    echo \"\u60a8\u8f93\u5165\u7684\u6570\u636e\u662f\uff1a$input\"\ndone<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<h3>\u603b\u7ed3<\/h3>\n<p>\u901a\u8fc7\u5b66\u4e60\u672c\u6587\u4ecb\u7ecd\u7684read\u547d\u4ee4\u7684\u57fa\u672c\u529f\u80fd\u548c\u64cd\u4f5c\u6280\u5de7\uff0c\u8bfb\u8005\u53ef\u4ee5\u66f4\u52a0\u7075\u6d3b\u5730\u5229\u7528\u8fd9\u4e2a\u547d\u4ee4\u6765\u5b9e\u73b0\u5404\u79cd\u7528\u6237\u4ea4\u4e92\u64cd\u4f5c\u3002\u4f7f\u7528read\u547d\u4ee4\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u8bfb\u53d6\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\uff0c\u4ece\u800c\u63d0\u9ad8Linux\u7cfb\u7edf\u7684\u4ea4\u4e92\u6027\u548c\u5b9e\u7528\u6027\u3002\u5e0c\u671b\u672c\u6587\u7684\u4ee3\u7801\u793a\u4f8b\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u8fd0\u7528read\u547d\u4ee4\uff0c\u63d0\u5347\u5728Linux\u7cfb\u7edf\u4e2d\u7684\u64cd\u4f5c\u6280\u80fd\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5b66\u4e60\u5982\u4f55\u4f7f\u7528Linux read\u547d\u4ee4\u53ca\u5176\u57fa\u672c\u529f\u80fd\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u300a\u638c\u63e1Linux read\u547d\u4ee4\u7684\u57fa\u672c\u529f\u80fd\u548c\u64cd\u4f5c\u6280\u5de7\u300b \u5728Linux\u7cfb\u7edf\u4e2d\uff0cread\u547d\u4ee4\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u547d\u4ee4\uff0c\u7528\u4e8e\u4ece\u6807\u51c6\u8f93\u5165\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u901a\u8fc7read\u547d\u4ee4\uff0c\u7528\u6237\u53ef\u4ee5\u4ea4\u4e92\u5f0f\u5730\u8f93\u5165\u6570\u636e\uff0c\u6216\u8005\u5c06\u6570\u636e\u5b58\u50a8\u5230\u53d8\u91cf\u4e2d\u8fdb\u884c\u540e\u7eed\u5904\u7406\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8read\u547d\u4ee4\u7684\u57fa\u672c\u529f\u80fd\u548c\u64cd\u4f5c\u6280\u5de7\uff0c\u540c\u65f6\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u8fd0\u7528\u8fd9\u4e2a\u547d\u4ee4\u3002 read\u547d\u4ee4\u7684\u57fa\u672c\u7528\u6cd5 read\u547d\u4ee4\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a read [options] &lt;variable&gt;&lt;\/variable&gt; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cvariable\u662f\u7528\u6765\u5b58\u50a8\u8f93\u5165\u6570\u636e\u7684\u53d8\u91cf\u540d\uff0c\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u5c06\u4f1a\u88ab\u8d4b\u503c\u7ed9\u8fd9\u4e2a\u53d8\u91cf\u3002\u4e0b\u9762\u662fread\u547d\u4ee4\u7684\u4e00\u4e9b\u5e38\u7528\u9009\u9879\uff1a -p prompt\uff1a\u6307\u5b9a\u4e00\u4e2a\u63d0\u793a\u7b26\uff0c\u663e\u793a\u5728\u7528\u6237\u8f93\u5165\u6570\u636e\u4e4b\u524d\u3002 -t timeout\uff1a\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4\uff0c\u5355\u4f4d\u4e3a\u79d2\uff0c\u8d85\u8fc7\u8fd9\u4e2a\u65f6\u95f4\u540e\u5c06\u81ea\u52a8\u7ed3\u675f\u8bfb\u53d6\u3002 -r\uff1a\u4e0d\u5bf9\u53cd\u659c\u6760\u5b57\u7b26\u8fdb\u884c\u8f6c\u4e49\uff0c\u5e38\u7528\u4e8e\u8bfb\u53d6\u8def\u5f84\u7b49\u542b\u6709\u7279\u6b8a\u5b57\u7b26\u7684\u6570\u636e\u3002 read\u547d\u4ee4\u7684\u64cd\u4f5c\u6280\u5de7 \u8bfb\u53d6\u7528\u6237\u8f93\u5165\u5e76\u5b58\u50a8\u5230\u53d8\u91cf\u4e2d \u901a\u8fc7read\u547d\u4ee4\u53ef\u4ee5\u8bfb\u53d6\u7528\u6237\u7684\u8f93\u5165\uff0c\u5e76\u5c06\u8f93\u5165\u7684\u6570\u636e\u5b58\u50a8\u5230\u6307\u5b9a\u7684\u53d8\u91cf\u4e2d\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u5c06\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u5b58\u50a8\u5230\u53d8\u91cfname\u4e2d\uff1a read -p &#8220;\u8bf7\u8f93\u5165\u60a8\u7684\u59d3\u540d\uff1a&#8221; name echo &#8220;\u60a8\u8f93\u5165\u7684\u59d3\u540d\u662f\uff1a$name&#8221; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u8d85\u65f6\u529f\u80fd \u6709\u65f6\u5019\u9700\u8981\u8bbe\u7f6e\u4e00\u4e2a\u8d85\u65f6\u65f6\u95f4\uff0c\u4ee5\u514d\u7528\u6237\u957f\u65f6\u95f4\u4e0d\u8f93\u5165\u6570\u636e\u800c\u5bfc\u81f4\u7a0b\u5e8f\u65e0\u54cd\u5e94\u3002\u901a\u8fc7-t\u9009\u9879\u53ef\u4ee5\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4\uff0c\u4f8b\u5982\u4e0b\u9762\u7684\u547d\u4ee4\u5c06\u572810\u79d2\u5185\u7b49\u5f85\u7528\u6237\u8f93\u5165\uff0c\u8d85\u65f6\u540e\u5c06\u81ea\u52a8\u7ed3\u675f\uff1a read -t 10 -p &#8220;\u8bf7\u572810\u79d2\u5185\u8f93\u5165\u6570\u636e\uff1a&#8221; data echo &#8220;\u60a8\u8f93\u5165\u7684\u6570\u636e\u662f\uff1a$data&#8221; \u767b\u5f55\u540e\u590d\u5236 \u8bfb\u53d6\u5bc6\u7801\u8f93\u5165 \u5f53\u9700\u8981\u7528\u6237\u8f93\u5165\u5bc6\u7801\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528-s\u9009\u9879\u6765\u9690\u85cf\u7528\u6237\u8f93\u5165\u7684\u5185\u5bb9\uff0c\u4ee5\u4fdd\u62a4\u5bc6\u7801\u7684\u5b89\u5168\u6027\u3002\u793a\u4f8b\u5982\u4e0b\uff1a read -s -p &#8220;\u8bf7\u8f93\u5165\u60a8\u7684\u5bc6\u7801\uff1a&#8221; password echo &#8220;\u60a8\u8f93\u5165\u7684\u5bc6\u7801\u662f\uff1a$password&#8221; \u767b\u5f55\u540e\u590d\u5236 \u7ed3\u5408\u5faa\u73af\u548c\u6761\u4ef6\u5224\u65ad \u7ed3\u5408read\u547d\u4ee4\u3001\u5faa\u73af\u8bed\u53e5\u548c\u6761\u4ef6\u5224\u65ad\uff0c\u80fd\u591f\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u7528\u6237\u4ea4\u4e92\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u793a\u4f8b\u4f7f\u7528while\u5faa\u73af\uff0c\u5982\u679c\u7528\u6237\u8f93\u5165\u7684\u662f&#8221;exit&#8221;\u5219\u9000\u51fa\u5faa\u73af\uff1a while true do read -p &#8220;\u8bf7\u8f93\u5165\u6570\u636e\uff08\u8f93\u5165exit\u9000\u51fa\uff09\uff1a&#8221; input [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-17434","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=17434"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17434\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=17434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=17434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=17434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}