{"id":62928,"date":"2025-04-29T09:11:42","date_gmt":"2025-04-29T01:11:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/62928\/"},"modified":"2025-04-29T09:11:42","modified_gmt":"2025-04-29T01:11:42","slug":"linux-read%e5%91%bd%e4%bb%a4%e5%8a%9f%e8%83%bd%e8%a7%a3%e6%9e%90%e4%b8%8e%e5%ae%9e%e4%be%8b%e6%bc%94%e7%a4%ba-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/62928\/","title":{"rendered":"Linux read\u547d\u4ee4\u529f\u80fd\u89e3\u6790\u4e0e\u5b9e\u4f8b\u6f14\u793a"},"content":{"rendered":"

\"Linux<\/p>\n

\u300aLinux read\u547d\u4ee4\u529f\u80fd\u89e3\u6790\u4e0e\u5b9e\u4f8b\u6f14\u793a\u300b<\/p>\n

\u5728Linux\u7cfb\u7edf\u4e2d\uff0cread\u547d\u4ee4\u662f\u4e00\u4e2a\u7528\u4e8e\u4ece\u6807\u51c6\u8f93\u5165\u6216\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u7684\u547d\u4ee4\u3002\u5b83\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u5728Shell\u811a\u672c\u4e2d\u4ea4\u4e92\u5730\u4ece\u7528\u6237\u8f93\u5165\u4e2d\u83b7\u53d6\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u4ee5\u4fdd\u5b58\u5230\u53d8\u91cf\u4e2d\u4f9b\u540e\u7eed\u5904\u7406\u4f7f\u7528\u3002\u672c\u6587\u5c06\u5bf9read\u547d\u4ee4\u7684\u529f\u80fd\u8fdb\u884c\u89e3\u6790\uff0c\u5e76\u63d0\u4f9b\u5b9e\u4f8b\u6f14\u793a\u6765\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u3002<\/p>\n

\u4e00\u3001read\u547d\u4ee4\u7684\u57fa\u672c\u8bed\u6cd5<\/strong><\/p>\n

read\u547d\u4ee4\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

read [-options] [variable...]<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5176\u4e2d\uff0c[]\u8868\u793a\u53ef\u9009\u9879\uff0coptions\u662fread\u547d\u4ee4\u7684\u9009\u9879\u53c2\u6570\uff0cvariable\u662f\u7528\u4e8e\u5b58\u50a8\u8f93\u5165\u6570\u636e\u7684\u53d8\u91cf\u540d\u3002<\/p>\n
\u4e8c\u3001read\u547d\u4ee4\u7684\u5e38\u7528\u9009\u9879<\/strong><\/p>\n
    \n
  1. -p\uff1a\u6307\u5b9a\u63d0\u793a\u7b26\u4fe1\u606f\uff0c\u5728\u7528\u6237\u8f93\u5165\u6570\u636e\u4e4b\u524d\u663e\u793a\u63d0\u793a\u7b26\u3002<\/li>\n
  2. -t seconds\uff1a\u8bbe\u7f6e\u8bfb\u53d6\u6570\u636e\u7684\u8d85\u65f6\u65f6\u95f4\uff0c\u5355\u4f4d\u4e3a\u79d2\u3002<\/li>\n
  3. -n count\uff1a\u6307\u5b9a\u8bfb\u53d6\u6570\u636e\u7684\u5b57\u7b26\u6570\uff0c\u5f53\u8bfb\u53d6\u7684\u5b57\u7b26\u6570\u8fbe\u5230count\u65f6\uff0c\u7ec8\u6b62\u8bfb\u53d6\u3002<\/li>\n
  4. -s\uff1a\u9759\u9ed8\u6a21\u5f0f\uff0c\u7528\u6237\u8f93\u5165\u4e0d\u663e\u793a\u5728\u5c4f\u5e55\u4e0a\u3002<\/li>\n
  5. -r\uff1a\u5c06\u53cd\u659c\u6760\u5b57\u7b26\u5f53\u4f5c\u666e\u901a\u5b57\u7b26\u5bf9\u5f85\uff0c\u4e0d\u8f6c\u4e49\u3002<\/li>\n<\/ol>\n
    \u4e09\u3001read\u547d\u4ee4\u7684\u529f\u80fd\u89e3\u6790<\/strong><\/p>\n
      \n
    1.  \u63a5\u6536\u7528\u6237\u8f93\u5165\u5e76\u5b58\u50a8\u5230\u53d8\u91cf\u4e2d<\/strong>\uff1aread\u547d\u4ee4\u53ef\u4ee5\u63a5\u6536\u7528\u6237\u7684\u8f93\u5165\uff0c\u5e76\u5c06\u8f93\u5165\u7684\u6570\u636e\u5b58\u50a8\u5230\u6307\u5b9a\u7684\u53d8\u91cf\u4e2d\uff0c\u65b9\u4fbf\u540e\u7eed\u811a\u672c\u5904\u7406\u3002<\/li>\n
    2.  \u5b9e\u73b0\u811a\u672c\u4ea4\u4e92<\/strong>\uff1aread\u547d\u4ee4\u53ef\u4ee5\u7ed3\u5408\u63d0\u793a\u4fe1\u606f\uff0c\u5b9e\u73b0\u811a\u672c\u4e0e\u7528\u6237\u4e4b\u95f4\u7684\u4ea4\u4e92\uff0c\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u3002<\/li>\n
    3.  \u8d85\u65f6\u5904\u7406<\/strong>\uff1a\u901a\u8fc7\u8bbe\u7f6e-t\u9009\u9879\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8d85\u65f6\u5904\u7406\uff0c\u5982\u679c\u7528\u6237\u5728\u6307\u5b9a\u65f6\u95f4\u5185\u6ca1\u6709\u8f93\u5165\u6570\u636e\uff0cread\u547d\u4ee4\u5c06\u8d85\u65f6\u5e76\u7ed3\u675f\u3002<\/li>\n
    4.  \u5b57\u7b26\u8ba1\u6570<\/strong>\uff1a\u901a\u8fc7-n\u9009\u9879\uff0c\u53ef\u4ee5\u63a7\u5236\u8bfb\u53d6\u7684\u5b57\u7b26\u6570\uff0c\u5f53\u8fbe\u5230\u6307\u5b9a\u5b57\u7b26\u6570\u65f6\uff0cread\u547d\u4ee4\u5c06\u7ec8\u6b62\u8bfb\u53d6\u3002<\/li>\n<\/ol>\n
      \u56db\u3001read\u547d\u4ee4\u7684\u5b9e\u4f8b\u6f14\u793a<\/strong><\/p>\n
      \u4e0b\u9762\u901a\u8fc7\u51e0\u4e2a\u5b9e\u4f8b\u6f14\u793aread\u547d\u4ee4\u7684\u5177\u4f53\u7528\u6cd5\uff1a<\/p>\n
      \u793a\u4f8b1\uff1a\u57fa\u672c\u7684\u7528\u6237\u8f93\u5165<\/strong><\/p>\n
      #!\/bin\/bash\n\necho \"\u8bf7\u8f93\u5165\u60a8\u7684\u59d3\u540d\uff1a\"\nread name\n\necho \"\u60a8\u8f93\u5165\u7684\u59d3\u540d\u662f\uff1a$name\"<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u7528\u6237\u901a\u8fc7read\u547d\u4ee4\u8f93\u5165\u59d3\u540d\uff0c\u5e76\u5c06\u8f93\u5165\u7684\u6570\u636e\u5b58\u50a8\u5230name\u53d8\u91cf\u4e2d\uff0c\u7136\u540e\u8f93\u51fa\u5230\u5c4f\u5e55\u4e0a\u3002<\/p>\n
      \u793a\u4f8b2\uff1a\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4<\/strong><\/p>\n
      #!\/bin\/bash\n\nread -t 5 -p \"\u8bf7\u8f93\u5165\u60a8\u7684\u5e74\u9f84\uff085\u79d2\u5185\u8f93\u5165\uff09\uff1a\" age\n\nif [ -z $age ]; then\n    echo \"\u60a8\u672a\u57285\u79d2\u5185\u8f93\u5165\u5e74\u9f84\uff0c\u8d85\u65f6\u3002\"\nelse\n    echo \"\u60a8\u8f93\u5165\u7684\u5e74\u9f84\u662f\uff1a$age\"\nfi<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u8bbe\u7f6e\u4e865\u79d2\u7684\u8d85\u65f6\u65f6\u95f4\uff0c\u5982\u679c\u7528\u6237\u57285\u79d2\u5185\u6ca1\u6709\u8f93\u5165\u5e74\u9f84\uff0c\u5219\u4f1a\u63d0\u793a\u8d85\u65f6\u4fe1\u606f\u3002<\/p>\n
      \u793a\u4f8b3\uff1a\u4e0d\u663e\u793a\u7528\u6237\u8f93\u5165<\/strong><\/p>\n
      #!\/bin\/bash\n\nread -s -p \"\u8bf7\u8f93\u5165\u60a8\u7684\u5bc6\u7801\uff1a\" password\n\necho -e \"\n\u60a8\u8f93\u5165\u7684\u5bc6\u7801\u662f\uff1a$password\"<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u8bbe\u7f6e\u4e86-s\u9009\u9879\uff0c\u7528\u6237\u8f93\u5165\u5bc6\u7801\u65f6\u4e0d\u5728\u5c4f\u5e55\u4e0a\u663e\u793a\uff0c\u4ee5\u4fdd\u62a4\u5bc6\u7801\u5b89\u5168\u3002<\/p>\n
      \u901a\u8fc7\u4ee5\u4e0a\u5b9e\u4f8b\u6f14\u793a\uff0c\u8bfb\u8005\u53ef\u4ee5\u66f4\u6df1\u5165\u5730\u4e86\u89e3read\u547d\u4ee4\u7684\u7528\u6cd5\u53ca\u529f\u80fd\u3002\u5728\u7f16\u5199Shell\u811a\u672c\u65f6\uff0cread\u547d\u4ee4\u662f\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5b9e\u73b0\u7528\u6237\u8f93\u5165\u6570\u636e\u4ea4\u4e92\uff0c\u63d0\u5347\u811a\u672c\u7684\u4ea4\u4e92\u6027\u548c\u7075\u6d3b\u6027\u3002<\/p>\n
      \u603b\u4e4b\uff0c\u638c\u63e1read\u547d\u4ee4\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u5bf9\u4e8eLinux\u7cfb\u7edf\u7528\u6237\u6765\u8bf4\u662f\u5341\u5206\u91cd\u8981\u7684\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u8bfb\u8005\u6709\u6240\u5e2e\u52a9\uff0c\u8c22\u8c22\u9605\u8bfb\uff01<\/p>\n
      \u4ee5\u4e0a\u5c31\u662fLinux read\u547d\u4ee4\u529f\u80fd\u89e3\u6790\u4e0e\u5b9e\u4f8b\u6f14\u793a\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u300aLinux read\u547d\u4ee4\u529f\u80fd\u89e3\u6790\u4e0e\u5b9e\u4f8b\u6f14\u793a\u300b \u5728Linux\u7cfb\u7edf\u4e2d\uff0cread\u547d\u4ee4\u662f\u4e00\u4e2a\u7528\u4e8e\u4ece\u6807\u51c6\u8f93\u5165\u6216\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u7684\u547d\u4ee4\u3002\u5b83\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u5728Shell\u811a\u672c\u4e2d\u4ea4\u4e92\u5730\u4ece\u7528\u6237\u8f93\u5165\u4e2d\u83b7\u53d6\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u4ee5\u4fdd\u5b58\u5230\u53d8\u91cf\u4e2d\u4f9b\u540e\u7eed\u5904\u7406\u4f7f\u7528\u3002\u672c\u6587\u5c06\u5bf9read\u547d\u4ee4\u7684\u529f\u80fd\u8fdb\u884c\u89e3\u6790\uff0c\u5e76\u63d0\u4f9b\u5b9e\u4f8b\u6f14\u793a\u6765\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u3002 \u4e00\u3001read\u547d\u4ee4\u7684\u57fa\u672c\u8bed\u6cd5 read\u547d\u4ee4\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a read [-options] [variable…] \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0c[]\u8868\u793a\u53ef\u9009\u9879\uff0coptions\u662fread\u547d\u4ee4\u7684\u9009\u9879\u53c2\u6570\uff0cvariable\u662f\u7528\u4e8e\u5b58\u50a8\u8f93\u5165\u6570\u636e\u7684\u53d8\u91cf\u540d\u3002 \u4e8c\u3001read\u547d\u4ee4\u7684\u5e38\u7528\u9009\u9879 -p\uff1a\u6307\u5b9a\u63d0\u793a\u7b26\u4fe1\u606f\uff0c\u5728\u7528\u6237\u8f93\u5165\u6570\u636e\u4e4b\u524d\u663e\u793a\u63d0\u793a\u7b26\u3002 -t seconds\uff1a\u8bbe\u7f6e\u8bfb\u53d6\u6570\u636e\u7684\u8d85\u65f6\u65f6\u95f4\uff0c\u5355\u4f4d\u4e3a\u79d2\u3002 -n count\uff1a\u6307\u5b9a\u8bfb\u53d6\u6570\u636e\u7684\u5b57\u7b26\u6570\uff0c\u5f53\u8bfb\u53d6\u7684\u5b57\u7b26\u6570\u8fbe\u5230count\u65f6\uff0c\u7ec8\u6b62\u8bfb\u53d6\u3002 -s\uff1a\u9759\u9ed8\u6a21\u5f0f\uff0c\u7528\u6237\u8f93\u5165\u4e0d\u663e\u793a\u5728\u5c4f\u5e55\u4e0a\u3002 -r\uff1a\u5c06\u53cd\u659c\u6760\u5b57\u7b26\u5f53\u4f5c\u666e\u901a\u5b57\u7b26\u5bf9\u5f85\uff0c\u4e0d\u8f6c\u4e49\u3002 \u4e09\u3001read\u547d\u4ee4\u7684\u529f\u80fd\u89e3\u6790 \u63a5\u6536\u7528\u6237\u8f93\u5165\u5e76\u5b58\u50a8\u5230\u53d8\u91cf\u4e2d\uff1aread\u547d\u4ee4\u53ef\u4ee5\u63a5\u6536\u7528\u6237\u7684\u8f93\u5165\uff0c\u5e76\u5c06\u8f93\u5165\u7684\u6570\u636e\u5b58\u50a8\u5230\u6307\u5b9a\u7684\u53d8\u91cf\u4e2d\uff0c\u65b9\u4fbf\u540e\u7eed\u811a\u672c\u5904\u7406\u3002 \u5b9e\u73b0\u811a\u672c\u4ea4\u4e92\uff1aread\u547d\u4ee4\u53ef\u4ee5\u7ed3\u5408\u63d0\u793a\u4fe1\u606f\uff0c\u5b9e\u73b0\u811a\u672c\u4e0e\u7528\u6237\u4e4b\u95f4\u7684\u4ea4\u4e92\uff0c\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u3002 \u8d85\u65f6\u5904\u7406\uff1a\u901a\u8fc7\u8bbe\u7f6e-t\u9009\u9879\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8d85\u65f6\u5904\u7406\uff0c\u5982\u679c\u7528\u6237\u5728\u6307\u5b9a\u65f6\u95f4\u5185\u6ca1\u6709\u8f93\u5165\u6570\u636e\uff0cread\u547d\u4ee4\u5c06\u8d85\u65f6\u5e76\u7ed3\u675f\u3002 \u5b57\u7b26\u8ba1\u6570\uff1a\u901a\u8fc7-n\u9009\u9879\uff0c\u53ef\u4ee5\u63a7\u5236\u8bfb\u53d6\u7684\u5b57\u7b26\u6570\uff0c\u5f53\u8fbe\u5230\u6307\u5b9a\u5b57\u7b26\u6570\u65f6\uff0cread\u547d\u4ee4\u5c06\u7ec8\u6b62\u8bfb\u53d6\u3002 \u56db\u3001read\u547d\u4ee4\u7684\u5b9e\u4f8b\u6f14\u793a \u4e0b\u9762\u901a\u8fc7\u51e0\u4e2a\u5b9e\u4f8b\u6f14\u793aread\u547d\u4ee4\u7684\u5177\u4f53\u7528\u6cd5\uff1a \u793a\u4f8b1\uff1a\u57fa\u672c\u7684\u7528\u6237\u8f93\u5165 #!\/bin\/bash echo “\u8bf7\u8f93\u5165\u60a8\u7684\u59d3\u540d\uff1a” read name echo “\u60a8\u8f93\u5165\u7684\u59d3\u540d\u662f\uff1a$name” \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u7528\u6237\u901a\u8fc7read\u547d\u4ee4\u8f93\u5165\u59d3\u540d\uff0c\u5e76\u5c06\u8f93\u5165\u7684\u6570\u636e\u5b58\u50a8\u5230name\u53d8\u91cf\u4e2d\uff0c\u7136\u540e\u8f93\u51fa\u5230\u5c4f\u5e55\u4e0a\u3002 \u793a\u4f8b2\uff1a\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4 #!\/bin\/bash read -t 5 -p “\u8bf7\u8f93\u5165\u60a8\u7684\u5e74\u9f84\uff085\u79d2\u5185\u8f93\u5165\uff09\uff1a” age if [ -z $age ]; then echo “\u60a8\u672a\u57285\u79d2\u5185\u8f93\u5165\u5e74\u9f84\uff0c\u8d85\u65f6\u3002” else echo “\u60a8\u8f93\u5165\u7684\u5e74\u9f84\u662f\uff1a$age” fi […]<\/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-62928","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62928","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=62928"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62928\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=62928"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=62928"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=62928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}