{"id":17426,"date":"2024-11-18T17:31:48","date_gmt":"2024-11-18T09:31:48","guid":{"rendered":"https:\/\/fwq.ai\/blog\/17426\/"},"modified":"2024-11-18T17:31:48","modified_gmt":"2024-11-18T09:31:48","slug":"linux-read%e5%91%bd%e4%bb%a4%e7%9a%84%e5%b9%bf%e6%b3%9b%e7%94%a8%e9%80%94%ef%bc%9a%e6%8e%a2%e7%b4%a2%e5%a4%9a%e7%a7%8d%e5%ba%94%e7%94%a8%e5%9c%ba%e6%99%af","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/17426\/","title":{"rendered":"Linux read\u547d\u4ee4\u7684\u5e7f\u6cdb\u7528\u9014\uff1a\u63a2\u7d22\u591a\u79cd\u5e94\u7528\u573a\u666f"},"content":{"rendered":"

\"Linux<\/p>\n

Linux\u7cfb\u7edf\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5177\u6709\u5f3a\u5927\u7684\u529f\u80fd\u548c\u7075\u6d3b\u6027\uff0c\u800cread\u547d\u4ee4\u662f\u5176\u4e2d\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u547d\u4ee4\u4e4b\u4e00\u3002\u672c\u6587\u5c06\u63a2\u7d22Linux read\u547d\u4ee4\u7684\u591a\u79cd\u5e94\u7528\u573a\u666f\uff0c\u5e76\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

1. \u8bfb\u53d6\u7528\u6237\u8f93\u5165<\/strong><\/p>\n

read\u547d\u4ee4\u6700\u5e38\u89c1\u7684\u7528\u6cd5\u662f\u7528\u6765\u8bfb\u53d6\u7528\u6237\u7684\u8f93\u5165\u3002\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u952e\u76d8\u8f93\u5165\u5185\u5bb9\uff0cread\u547d\u4ee4\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u8f93\u5165\u4fdd\u5b58\u5230\u4e00\u4e2a\u53d8\u91cf\u4e2d\uff0c\u7136\u540e\u5728\u811a\u672c\u4e2d\u8fdb\u884c\u5904\u7406\u3002<\/p>\n

#!\/bin\/bash\n\necho \"\u8bf7\u8f93\u5165\u60a8\u7684\u59d3\u540d\uff1a\"\nread name\necho \"\u60a8\u597d\uff0c$name\uff01\"<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u8fd0\u884c\u4e0a\u8ff0\u811a\u672c\u540e\uff0c\u4f1a\u63d0\u793a\u7528\u6237\u8f93\u5165\u59d3\u540d\uff0c\u7528\u6237\u8f93\u5165\u540e\u811a\u672c\u4f1a\u8f93\u51fa\u201c\u60a8\u597d\uff0c\u59d3\u540d\uff01\u201d\u7684\u6d88\u606f\u3002<\/p>\n
2. \u8bfb\u53d6\u547d\u4ee4\u8f93\u51fa<\/strong><\/p>\n
read\u547d\u4ee4\u8fd8\u53ef\u4ee5\u548c\u7ba1\u9053\u7ed3\u5408\u4f7f\u7528\uff0c\u8bfb\u53d6\u53e6\u4e00\u4e2a\u547d\u4ee4\u7684\u8f93\u51fa\uff0c\u5e76\u4fdd\u5b58\u5230\u53d8\u91cf\u4e2d\u3002<\/p>\n
#!\/bin\/bash\n\nfiles=$(ls)\necho \"\u5f53\u524d\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u6709\uff1a\"\necho \"$files\"<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4e0a\u8ff0\u811a\u672c\u4e2d\u4f7f\u7528ls\u547d\u4ee4\u5217\u51fa\u5f53\u524d\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u5217\u8868\uff0c\u7136\u540e\u5c06\u8fd9\u4e9b\u6587\u4ef6\u4fdd\u5b58\u5230\u53d8\u91cffiles\u4e2d\uff0c\u6700\u540e\u8f93\u51fa\u6587\u4ef6\u5217\u8868\u3002<\/p>\n
3. \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/strong><\/p>\n
read\u547d\u4ee4\u8fd8\u53ef\u4ee5\u7528\u6765\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u5e76\u8fdb\u884c\u5904\u7406\u3002<\/p>\n
#!\/bin\/bash\n\nfilename=\"example.txt\"\n\nwhile IFS= read -r line\ndo\n    echo \"\u5185\u5bb9\uff1a $line\"\ndone <p>\u4e0a\u8ff0\u811a\u672c\u4f1a\u9010\u884c\u8bfb\u53d6example.txt\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\uff0c\u5e76\u8f93\u51fa\u6bcf\u884c\u7684\u5185\u5bb9\u3002<\/p><p><strong>4. \u8bfb\u53d6\u591a\u4e2a\u8f93\u5165<\/strong><\/p><p>read\u547d\u4ee4\u8fd8\u53ef\u4ee5\u4e00\u6b21\u6027\u8bfb\u53d6\u591a\u4e2a\u8f93\u5165\uff0c\u5e76\u4fdd\u5b58\u5230\u591a\u4e2a\u53d8\u91cf\u4e2d\u3002<\/p><pre class=\"brush:bash;toolbar:false;\">#!\/bin\/bash\n\necho \"\u8bf7\u8f93\u5165\u59d3\u540d\u548c\u5e74\u9f84\uff1a\"\nread name age\necho \"$name \u7684\u5e74\u9f84\u662f $age \u5c81\"<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4e0a\u8ff0\u811a\u672c\u4f1a\u63d0\u793a\u7528\u6237\u8f93\u5165\u59d3\u540d\u548c\u5e74\u9f84\uff0c\u7136\u540e\u5c06\u8fd9\u4e24\u4e2a\u8f93\u5165\u4fdd\u5b58\u5230name\u548cage\u4e24\u4e2a\u53d8\u91cf\u4e2d\uff0c\u6700\u540e\u8f93\u51fa\u8fd9\u4e24\u4e2a\u53d8\u91cf\u7684\u503c\u3002<\/p>\n
5. \u5e26\u6709\u8d85\u65f6\u529f\u80fd\u7684read<\/strong><\/p>\n
read\u547d\u4ee4\u8fd8\u53ef\u4ee5\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4\uff0c\u5982\u679c\u8d85\u8fc7\u6307\u5b9a\u65f6\u95f4\u7528\u6237\u6ca1\u6709\u8f93\u5165\uff0c\u5219\u8d85\u65f6\u9000\u51fa\u3002<\/p>\n
#!\/bin\/bash\n\nread -t 5 -p \"\u8bf7\u8f93\u5165\u60a8\u7684\u9009\u62e9\uff085\u79d2\u5185\uff09\uff1a\"\n\nif [ -z \"$REPLY\" ]; then\n    echo \"\u8d85\u65f6\"\nelse\n    echo \"\u60a8\u9009\u62e9\u4e86\uff1a$REPLY\"\nfi<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4e0a\u8ff0\u811a\u672c\u4e2d\u8bbe\u7f6e\u4e865\u79d2\u7684\u8d85\u65f6\u65f6\u95f4\uff0c\u5982\u679c\u7528\u6237\u57285\u79d2\u5185\u6ca1\u6709\u8f93\u5165\uff0c\u5219\u4f1a\u63d0\u793a\u201c\u8d85\u65f6\u201d\uff0c\u5426\u5219\u4f1a\u8f93\u51fa\u7528\u6237\u7684\u9009\u62e9\u3002<\/p>\n
\u603b\u7684\u6765\u8bf4\uff0cLinux\u7cfb\u7edf\u4e2d\u7684read\u547d\u4ee4\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u573a\u666f\uff0c\u53ef\u4ee5\u7528\u4e8e\u8bfb\u53d6\u7528\u6237\u8f93\u5165\u3001\u8bfb\u53d6\u547d\u4ee4\u8f93\u51fa\u3001\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u7b49\u591a\u79cd\u60c5\u51b5\u3002\u901a\u8fc7\u672c\u6587\u63d0\u4f9b\u7684\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\uff0c\u5e0c\u671b\u8bfb\u8005\u80fd\u66f4\u597d\u5730\u638c\u63e1\u548c\u8fd0\u7528\u8fd9\u4e2a\u5b9e\u7528\u7684\u547d\u4ee4\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fLinux read\u547d\u4ee4\u7684\u5e7f\u6cdb\u7528\u9014\uff1a\u63a2\u7d22\u591a\u79cd\u5e94\u7528\u573a\u666f\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":"
Linux\u7cfb\u7edf\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5177\u6709\u5f3a\u5927\u7684\u529f\u80fd\u548c\u7075\u6d3b\u6027\uff0c\u800cread\u547d\u4ee4\u662f\u5176\u4e2d\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u547d\u4ee4\u4e4b\u4e00\u3002\u672c\u6587\u5c06\u63a2\u7d22Linux read\u547d\u4ee4\u7684\u591a\u79cd\u5e94\u7528\u573a\u666f\uff0c\u5e76\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 1. \u8bfb\u53d6\u7528\u6237\u8f93\u5165 read\u547d\u4ee4\u6700\u5e38\u89c1\u7684\u7528\u6cd5\u662f\u7528\u6765\u8bfb\u53d6\u7528\u6237\u7684\u8f93\u5165\u3002\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u952e\u76d8\u8f93\u5165\u5185\u5bb9\uff0cread\u547d\u4ee4\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u8f93\u5165\u4fdd\u5b58\u5230\u4e00\u4e2a\u53d8\u91cf\u4e2d\uff0c\u7136\u540e\u5728\u811a\u672c\u4e2d\u8fdb\u884c\u5904\u7406\u3002 #!\/bin\/bash echo “\u8bf7\u8f93\u5165\u60a8\u7684\u59d3\u540d\uff1a” read name echo “\u60a8\u597d\uff0c$name\uff01” \u767b\u5f55\u540e\u590d\u5236 \u8fd0\u884c\u4e0a\u8ff0\u811a\u672c\u540e\uff0c\u4f1a\u63d0\u793a\u7528\u6237\u8f93\u5165\u59d3\u540d\uff0c\u7528\u6237\u8f93\u5165\u540e\u811a\u672c\u4f1a\u8f93\u51fa\u201c\u60a8\u597d\uff0c\u59d3\u540d\uff01\u201d\u7684\u6d88\u606f\u3002 2. \u8bfb\u53d6\u547d\u4ee4\u8f93\u51fa read\u547d\u4ee4\u8fd8\u53ef\u4ee5\u548c\u7ba1\u9053\u7ed3\u5408\u4f7f\u7528\uff0c\u8bfb\u53d6\u53e6\u4e00\u4e2a\u547d\u4ee4\u7684\u8f93\u51fa\uff0c\u5e76\u4fdd\u5b58\u5230\u53d8\u91cf\u4e2d\u3002 #!\/bin\/bash files=$(ls) echo “\u5f53\u524d\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u6709\uff1a” echo “$files” \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u811a\u672c\u4e2d\u4f7f\u7528ls\u547d\u4ee4\u5217\u51fa\u5f53\u524d\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u5217\u8868\uff0c\u7136\u540e\u5c06\u8fd9\u4e9b\u6587\u4ef6\u4fdd\u5b58\u5230\u53d8\u91cffiles\u4e2d\uff0c\u6700\u540e\u8f93\u51fa\u6587\u4ef6\u5217\u8868\u3002 3. \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9 read\u547d\u4ee4\u8fd8\u53ef\u4ee5\u7528\u6765\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u5e76\u8fdb\u884c\u5904\u7406\u3002 #!\/bin\/bash filename=”example.txt” while IFS= read -r line do echo “\u5185\u5bb9\uff1a $line” done <p>\u4e0a\u8ff0\u811a\u672c\u4f1a\u9010\u884c\u8bfb\u53d6example.txt\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\uff0c\u5e76\u8f93\u51fa\u6bcf\u884c\u7684\u5185\u5bb9\u3002<\/p><p><strong>4. \u8bfb\u53d6\u591a\u4e2a\u8f93\u5165<\/strong><\/p><p>read\u547d\u4ee4\u8fd8\u53ef\u4ee5\u4e00\u6b21\u6027\u8bfb\u53d6\u591a\u4e2a\u8f93\u5165\uff0c\u5e76\u4fdd\u5b58\u5230\u591a\u4e2a\u53d8\u91cf\u4e2d\u3002<\/p><pre class=”brush:bash;toolbar:false;”>#!\/bin\/bash echo “\u8bf7\u8f93\u5165\u59d3\u540d\u548c\u5e74\u9f84\uff1a” read name age echo “$name \u7684\u5e74\u9f84\u662f $age \u5c81” \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u811a\u672c\u4f1a\u63d0\u793a\u7528\u6237\u8f93\u5165\u59d3\u540d\u548c\u5e74\u9f84\uff0c\u7136\u540e\u5c06\u8fd9\u4e24\u4e2a\u8f93\u5165\u4fdd\u5b58\u5230name\u548cage\u4e24\u4e2a\u53d8\u91cf\u4e2d\uff0c\u6700\u540e\u8f93\u51fa\u8fd9\u4e24\u4e2a\u53d8\u91cf\u7684\u503c\u3002 […]<\/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-17426","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17426","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=17426"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17426\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=17426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=17426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=17426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}