{"id":860,"date":"2021-01-29T11:27:33","date_gmt":"2021-01-29T03:27:33","guid":{"rendered":"http:\/\/www.mustenaka.cn\/?p=860"},"modified":"2021-01-29T11:34:32","modified_gmt":"2021-01-29T03:34:32","slug":"linuxdeltheortherfiles","status":"publish","type":"post","link":"https:\/\/www.mustenaka.cn\/index.php\/2021\/01\/29\/linuxdeltheortherfiles\/","title":{"rendered":"Linux\u5220\u9664\u6587\u4ef6\u5939\u4e2d\u9664\u67d0\u6587\u4ef6\u4e4b\u5916\u7684\u6587\u4ef6"},"content":{"rendered":"<h3>\u5982\u9898\uff0c\u5982\u4f55\u5220\u9664LINUX\u4e2d\u67d0\u4e2a\u6587\u4ef6\u5939\u4e2d\u9009\u4e2d\u7684\u6587\u4ef6\u4e4b\u5916\u7684\u6587\u4ef6<\/h3>\n<p><!--more--><\/p>\n<p>\u5982\u9898\uff0c\u6211\u7684\u4e00\u4e2a\u6587\u4ef6\u5939\u4e2d\u6709\u5982\u4e0b\u6587\u4ef6\uff0c\u6211\u8981\u5220\u9664\u6587\u4ef6file1 file2 file3\uff0c\u4fdd\u7559not1\u548cnot2\u8fd9\u4e24\u4e2a\u6587\u4ef6<\/p>\n<pre class=\"pure-highlightjs\"><code class=\"\" bash=\"\">[root@VM_0_7_centos test]# ll\r\ntotal 0\r\n-rw-r--r-- 1 root root 0 Jan 29 11:11 file1\r\n-rw-r--r-- 1 root root 0 Jan 29 11:11 file2\r\n-rw-r--r-- 1 root root 0 Jan 29 11:11 file3\r\n-rw-r--r-- 1 root root 0 Jan 29 11:11 not1\r\n-rw-r--r-- 1 root root 0 Jan 29 11:11 not2<\/code><\/pre>\n<h4>\u601d\u8def\u4e00\uff1a<\/h4>\n<p>\u76f4\u63a5rm -rf \u518d\u5229\u7528 !() \u65b9\u6cd5\u53cd\u9009\uff0c\u6548\u7387\u6700\u9ad8\u3002<\/p>\n<pre class=\"pure-highlightjs\"><code class=\"\" bash=\"\">rm -rf !(not1|not2)<\/code><\/pre>\n<h4>\u601d\u8def\u4e8c\uff1a<\/h4>\n<p>\u5229\u7528&#8220;\u53cd\u5f15\u53f7\uff08\u4e5f\u5c31\u662f\u6570\u5b57\u952e\u76d81\u5de6\u8fb9\u90a3\u4e2a\u7b26\u53f7\uff0c\u6253\u51fa\u6765\u662f\u8fd9\u3010\u00b7\u3011\u3010~\u3011\u4e24\u4e2a\u7b26\u53f7\uff09\uff0c\u628a\u6240\u9700\u8981\u6392\u9664\u7684\u6587\u4ef6\u7279\u70b9\uff0c\u6bd4\u5982\u8bf4not1 \u548cnot2\u7684\u7279\u70b9\u5c31\u662f\u90fd\u6709\u524d\u7f00not\uff0c\u7ed9\u5229\u7528grep -v\u9009\u4e2d\uff0c\u8fd9\u6837\u505a\u7684\u4f18\u52bf\u5c31\u662f\u6bcf\u4e00\u6b21\u5220\u9664\u6587\u4ef6\u90fd\u4f1a\u6709\u4e00\u4e2a\u7cfb\u7edf\u8be2\u95ee\uff0c\u4f60\u53ef\u4ee5\u63a7\u5236\u6574\u4e2a\u8fc7\u7a0b\u3002<\/p>\n<pre class=\"pure-highlightjs\"><code class=\"\" bash=\"\">[root@VM_0_7_centos test]# rm `ls | grep -v \"not\"`\r\nrm: remove regular empty file \u2018file1\u2019? y\r\nrm: remove regular empty file \u2018file2\u2019? y\r\nrm: remove regular empty file \u2018file3\u2019? y\r\n[root@VM_0_7_centos test]# ls\r\nnot1  not2<\/code><\/pre>\n<h4>\u601d\u8def\u4e09\uff1a<\/h4>\n<p>\u5229\u7528<span>shopt\u00a0\u53cd\u5411\u9009\u62e9<\/span><\/p>\n<pre class=\"pure-highlightjs\"><code class=\"\" bash=\"\">[root@VM_0_7_centos test]# ls\r\nfile1  file2  file3  not1  not2  whatfile4\r\n[root@VM_0_7_centos test]# shopt -s extglob\r\n[root@VM_0_7_centos test]# rm -rf !(not1|not2)\r\n[root@VM_0_7_centos test]# ls\r\nnot1  not2\r\n[root@VM_0_7_centos test]# shopt -u extglob<\/code><\/pre>\n<p>\u6ce8\u91ca\uff1a<\/p>\n<ul>\n<li>shopt -s extglob \u662f\u542f\u52a8 shopt<\/li>\n<li>shopt -u extglob \u662f\u5173\u95ed shopt<\/li>\n<\/ul>\n<p>\u770b\u4f3c\u597d\u50cf\u548c\u7b2c\u4e00\u6761\u6ca1\u4ec0\u4e48\u533a\u522b\uff0c\u4f46\u5b9e\u9645\u4e0a\u5f00\u542f\u4e4b\u540e\uff0c\u4ee5\u4e0b5\u4e2a\u6a21\u5f0f\u5339\u914d\u64cd\u4f5c\u7b26\u5c06\u88ab\u8bc6\u522b\uff1a<\/p>\n<ul>\n<li>?(pattern-list) &#8211; \u6240\u7ed9\u6a21\u5f0f\u5339\u914d0\u6b21\u62161\u6b21\uff1b<\/li>\n<li>*(pattern-list) &#8211; \u6240\u7ed9\u6a21\u5f0f\u5339\u914d0\u6b21\u4ee5\u4e0a\u5305\u62ec0\u6b21\uff1b<\/li>\n<li>+(pattern-list) &#8211; \u6240\u7ed9\u6a21\u5f0f\u5339\u914d1\u6b21\u4ee5\u4e0a\u5305\u62ec1\u6b21\uff1b<\/li>\n<li>@(pattern-list) &#8211; \u6240\u7ed9\u6a21\u5f0f\u4ec5\u4ec5\u5339\u914d1\u6b21\uff1b<\/li>\n<li>!(pattern-list) &#8211; \u4e0d\u5339\u914d\u62ec\u53f7\u5185\u7684\u6240\u7ed9\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<p>\u4e5f\u5c31\u662f\uff0c\u6211\u4eec\u7684\u7b2c\u4e00\u4e2a\u64cd\u4f5c\u662f\u56e0\u4e3a\u6211\u4eec\u5df2\u7ecf\u5f00\u542f\u4e86 shopt\uff0c\u5728\u6211\u4eec\u5173\u95edshopt\u4e4b\u540e\uff0c\u518d\u4f7f\u7528\u601d\u8def\u4e00\u7684\u547d\u4ee4\u5c31\u4f1a\u62a5\u9519<\/p>\n<pre class=\"pure-highlightjs\"><code class=\"\" bash=\"\">[root@VM_0_7_centos test]# rm -rf !(not1)\r\n-bash: !: event not found\r\n[root@VM_0_7_centos test]# ls<\/code><\/pre>\n<pre>shopt\u547d\u4ee4\u7528\u4e8e\u663e\u793a\u548c\u8bbe\u7f6eshell\u4e2d\u7684\u884c\u4e3a\u9009\u9879\uff0c\u901a\u8fc7\u8fd9\u4e9b\u9009\u9879\u4ee5\u589e\u5f3ashell\u6613\u7528\u6027\u3002\r\nshopt\u547d\u4ee4\u82e5\u4e0d\u5e26\u4efb\u4f55\u53c2\u6570\u9009\u9879\uff0c\u5219\u53ef\u4ee5\u663e\u793a\u6240\u6709\u53ef\u4ee5\u8bbe\u7f6e\u7684shell\u64cd\u4f5c\u9009\u9879\u3002<\/pre>\n<h4>\u601d\u8def\u56db\uff1a<\/h4>\n<p>\u76f4\u63a5\u4ee5file\u540d\u5b57\u4e3a\u76ee\u6807\u8fdb\u884c\u5220\u9664\uff0c\u5229\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u7cbe\u786e\u5b9a\u4f4d<\/p>\n<pre class=\"pure-highlightjs\"><code class=\"\" bash=\"\">rm -rf file[1-3].txt<\/code><\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u9898\uff0c\u5982\u4f55\u5220\u9664LINUX\u4e2d\u67d0\u4e2a\u6587\u4ef6\u5939\u4e2d\u9009\u4e2d\u7684\u6587\u4ef6\u4e4b\u5916\u7684\u6587\u4ef6<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[7],"class_list":["post-860","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux"],"views":2963,"_links":{"self":[{"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/posts\/860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/comments?post=860"}],"version-history":[{"count":4,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/posts\/860\/revisions"}],"predecessor-version":[{"id":864,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/posts\/860\/revisions\/864"}],"wp:attachment":[{"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/media?parent=860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/categories?post=860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/tags?post=860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}