{"id":318,"date":"2017-12-23T15:47:13","date_gmt":"2017-12-23T15:47:13","guid":{"rendered":"http:\/\/www.liutianfeng.com\/?p=318"},"modified":"2018-01-12T13:03:21","modified_gmt":"2018-01-12T13:03:21","slug":"read%e4%bc%a0%e5%85%a5%e5%8f%82%e6%95%b0%ef%bc%8c%e5%88%a0%e9%99%a4%e6%88%96%e8%80%85%e6%b7%bb%e5%8a%a0%e7%94%a8%e6%88%b7%e7%9a%84%e8%84%9a%e6%9c%ac%ef%bc%88%e4%b8%8d%e7%94%a8case%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.liutianfeng.com\/?p=318","title":{"rendered":"read\u4f20\u5165\u53c2\u6570\uff0c\u5220\u9664\u6216\u8005\u6dfb\u52a0\u7528\u6237\u7684\u811a\u672c\uff08\u4e0d\u7528case\uff09"},"content":{"rendered":"<p>read\u547d\u4ee4\u4ea4\u4e92\u5f0f\u63a5\u6536\u53c2\u6570\uff0c\u6765\u9009\u62e9\u5220\u9664\u6216\u8005\u6dfb\u52a0\u7528\u6237\uff1a<\/p>\n<pre class=\"pure-highlightjs\"><code class=\"\">#!\/bin\/bash\r\n#\r\n# Date: 2017-12-12\r\n# Author: Liemer_Lius\r\n\r\nread -p \"Please input your choice(add|del): \" CHOICE\r\nif [ $CHOICE == 'add' ]; then\r\n  for i in user{1..3}; do\r\n    if id $i &amp;&gt; \/dev\/null; then\r\n      echo \"User already exist. Skip...\"\r\n      continue\r\n    else\r\n      useradd -M -s \/sbin\/nologin $i\r\n      echo \"Add user $i finished.\"\r\n    fi\r\n  done\r\nelif [ $CHOICE == 'del' ]; then\r\n  for i in user{1..3}; do\r\n    if ! id $i &amp;&gt; \/dev\/null; then\r\n      echo \"No such user $i. Skip...\"\r\n      continue\r\n    else\r\n      userdel -r $i &amp;&gt; \/dev\/null\r\n      echo \"Delete user $i finished.\"\r\n    fi\r\n  done\r\nelse\r\n  echo \"Wrong option. Usage: `basename $0` del|add\"\r\nfi\r\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1a<a href=\"https:\/\/www.liutianfeng.com\">liutianfeng.com<\/a> &raquo; <a href=\"https:\/\/www.liutianfeng.com\/?p=318\">read\u4f20\u5165\u53c2\u6570\uff0c\u5220\u9664\u6216\u8005\u6dfb\u52a0\u7528\u6237\u7684\u811a\u672c\uff08\u4e0d\u7528case\uff09<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>read\u547d\u4ee4\u4ea4\u4e92\u5f0f\u63a5\u6536\u53c2\u6570\uff0c\u6765\u9009\u62e9\u5220\u9664\u6216\u8005\u6dfb\u52a0\u7528\u6237\uff1a #!\/bin\/bash # # Date: 2017-1 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[31],"tags":[],"_links":{"self":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts\/318"}],"collection":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=318"}],"version-history":[{"count":2,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts\/318\/revisions"}],"predecessor-version":[{"id":391,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts\/318\/revisions\/391"}],"wp:attachment":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}