{"id":151,"date":"2021-12-13T19:55:17","date_gmt":"2021-12-13T11:55:17","guid":{"rendered":"http:\/\/139.9.1.231\/?p=151"},"modified":"2021-12-13T19:56:16","modified_gmt":"2021-12-13T11:56:16","slug":"linux-9","status":"publish","type":"post","link":"http:\/\/139.9.1.231\/index.php\/2021\/12\/13\/linux-9\/","title":{"rendered":"linux\u547d\u4ee4"},"content":{"rendered":"\n<h3>ps -ef \u4efb\u52a1\u7ba1\u7406\u5668<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>ps -ef<\/code><\/pre>\n\n\n\n<h3>tr :traanslate \u7528\u4e8e\u8f6c\u6362\u6216\u8005\u5220\u9664\u6587\u4ef6\u4e2d\u7684\u5b57\u7b26<\/h3>\n\n\n\n<p>Linux tr \u547d\u4ee4\u7528\u4e8e\u8f6c\u6362\u6216\u5220\u9664\u6587\u4ef6\u4e2d\u7684\u5b57\u7b26\u3002<\/p>\n\n\n\n<p>tr \u6307\u4ee4\u4ece\u6807\u51c6\u8f93\u5165\u8bbe\u5907\u8bfb\u53d6\u6570\u636e\uff0c\u7ecf\u8fc7\u5b57\u7b26\u4e32\u8f6c\u8bd1\u540e\uff0c\u5c06\u7ed3\u679c\u8f93\u51fa\u5230\u6807\u51c6\u8f93\u51fa\u8bbe\u5907\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>tr [-cdst][--help][--version][\u7b2c\u4e00\u5b57\u7b26\u96c6][\u7b2c\u4e8c\u5b57\u7b26\u96c6]  \ntr [OPTION]\u2026SET1[SET2] <\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\u53c2\u6570\u8bf4\u660e\uff1a\n\n-c, --complement\uff1a\u53cd\u9009\u8bbe\u5b9a\u5b57\u7b26\u3002\u4e5f\u5c31\u662f\u7b26\u5408 SET1 \u7684\u90e8\u4efd\u4e0d\u505a\u5904\u7406\uff0c\u4e0d\u7b26\u5408\u7684\u5269\u4f59\u90e8\u4efd\u624d\u8fdb\u884c\u8f6c\u6362\n-d, --delete\uff1a\u5220\u9664\u6307\u4ee4\u5b57\u7b26\n-s, --squeeze-repeats\uff1a\u7f29\u51cf\u8fde\u7eed\u91cd\u590d\u7684\u5b57\u7b26\u6210\u6307\u5b9a\u7684\u5355\u4e2a\u5b57\u7b26\n-t, --truncate-set1\uff1a\u524a\u51cf SET1 \u6307\u5b9a\u8303\u56f4\uff0c\u4f7f\u4e4b\u4e0e SET2 \u8bbe\u5b9a\u957f\u5ea6\u76f8\u7b49\n--help\uff1a\u663e\u793a\u7a0b\u5e8f\u7528\u6cd5\u4fe1\u606f\n--version\uff1a\u663e\u793a\u7a0b\u5e8f\u672c\u8eab\u7684\u7248\u672c\u4fe1\u606f\n\u5b57\u7b26\u96c6\u5408\u7684\u8303\u56f4\uff1a\n\n\\NNN \u516b\u8fdb\u5236\u503c\u7684\u5b57\u7b26 NNN (1 to 3 \u4e3a\u516b\u8fdb\u5236\u503c\u7684\u5b57\u7b26)\n\\\\ \u53cd\u659c\u6760\n\\a Ctrl-G \u94c3\u58f0\n\\b Ctrl-H \u9000\u683c\u7b26\n\\f Ctrl-L \u8d70\u884c\u6362\u9875\n\\n Ctrl-J \u65b0\u884c\n\\r Ctrl-M \u56de\u8f66\n\\t Ctrl-I tab\u952e\n\\v Ctrl-X \u6c34\u5e73\u5236\u8868\u7b26\nCHAR1-CHAR2 \uff1a\u5b57\u7b26\u8303\u56f4\u4ece CHAR1 \u5230 CHAR2 \u7684\u6307\u5b9a\uff0c\u8303\u56f4\u7684\u6307\u5b9a\u4ee5 ASCII \u7801\u7684\u6b21\u5e8f\u4e3a\u57fa\u7840\uff0c\u53ea\u80fd\u7531\u5c0f\u5230\u5927\uff0c\u4e0d\u80fd\u7531\u5927\u5230\u5c0f\u3002\n[CHAR*] \uff1a\u8fd9\u662f SET2 \u4e13\u7528\u7684\u8bbe\u5b9a\uff0c\u529f\u80fd\u662f\u91cd\u590d\u6307\u5b9a\u7684\u5b57\u7b26\u5230\u4e0e SET1 \u76f8\u540c\u957f\u5ea6\u4e3a\u6b62\n[CHAR*REPEAT] \uff1a\u8fd9\u4e5f\u662f SET2 \u4e13\u7528\u7684\u8bbe\u5b9a\uff0c\u529f\u80fd\u662f\u91cd\u590d\u6307\u5b9a\u7684\u5b57\u7b26\u5230\u8bbe\u5b9a\u7684 REPEAT \u6b21\u6570\u4e3a\u6b62(REPEAT \u7684\u6570\u5b57\u91c7 8 \u8fdb\u4f4d\u5236\u8ba1\u7b97\uff0c\u4ee5 0 \u4e3a\u5f00\u59cb)\n[:alnum:] \uff1a\u6240\u6709\u5b57\u6bcd\u5b57\u7b26\u4e0e\u6570\u5b57\n[:alpha:] \uff1a\u6240\u6709\u5b57\u6bcd\u5b57\u7b26\n[:blank:] \uff1a\u6240\u6709\u6c34\u5e73\u7a7a\u683c\n[:cntrl:] \uff1a\u6240\u6709\u63a7\u5236\u5b57\u7b26\n[:digit:] \uff1a\u6240\u6709\u6570\u5b57\n[:graph:] \uff1a\u6240\u6709\u53ef\u6253\u5370\u7684\u5b57\u7b26(\u4e0d\u5305\u542b\u7a7a\u683c\u7b26)\n[:lower:] \uff1a\u6240\u6709\u5c0f\u5199\u5b57\u6bcd\n[:print:] \uff1a\u6240\u6709\u53ef\u6253\u5370\u7684\u5b57\u7b26(\u5305\u542b\u7a7a\u683c\u7b26)\n[:punct:] \uff1a\u6240\u6709\u6807\u70b9\u5b57\u7b26\n[:space:] \uff1a\u6240\u6709\u6c34\u5e73\u4e0e\u5782\u76f4\u7a7a\u683c\u7b26\n[:upper:] \uff1a\u6240\u6709\u5927\u5199\u5b57\u6bcd\n[:xdigit:] \uff1a\u6240\u6709 16 \u8fdb\u4f4d\u5236\u7684\u6570\u5b57\n[=CHAR=] \uff1a\u6240\u6709\u7b26\u5408\u6307\u5b9a\u7684\u5b57\u7b26(\u7b49\u53f7\u91cc\u7684 CHAR\uff0c\u4ee3\u8868\u4f60\u53ef\u81ea\u8ba2\u7684\u5b57\u7b26)<\/code><\/pre>\n\n\n\n<p>\u5b9e\u4f8b<\/p>\n\n\n\n<p>\u5c06\u6587\u4ef6testfile\u4e2d\u7684\u5c0f\u5199\u5b57\u6bcd\u5168\u90e8\u8f6c\u6362\u6210\u5927\u5199\u5b57\u6bcd\uff0c\u6b64\u65f6\uff0c\u53ef\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n<p>cat testfile |tr a-z A-Z<\/p>\n\n\n\n<p><strong>\u5b9e\u4f8b:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cat filename | tr [:lower:] [:upper:] \u8f6c\u6362\u5927\u5c0f\u5199 \uff0c|\u7ba1\u9053\u547d\u4ee4\ncat filename | tr a-z A-Z >newfile \n\n\u4f7f\u7528tr\u5220\u9664\u5b57\u7b26\uff1a\necho \"hello 123 world 456\" | tr -d '0-9'\nhello  world \n\n\u5c06\u5236\u8868\u7b26\u8f6c\u6362\u4e3a\u7a7a\u683c\uff1a\ncat text | tr '\\t' ' '\n\n\u7528tr\u538b\u7f29\u5b57\u7b26\uff0c\u53ef\u4ee5\u538b\u7f29\u8f93\u5165\u4e2d\u91cd\u590d\u7684\u5b57\u7b26\uff1a\necho \"thissss is      a text linnnnnnne.\" | tr -s ' sn'\nthis is a text line.<\/code><\/pre>\n\n\n\n<h3>tee\u547d\u4ee4\u57fa\u4e8e\u6807\u51c6\u8f93\u5165\u8bfb\u53d6\u6570\u636e\uff0c\u6807\u51c6\u8f93\u51fa\u6216\u6587\u4ef6\u5199\u5165\u6570\u636e<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>tee [-ai][--help][--version][\u6587\u4ef6...]<\/code><\/pre>\n\n\n\n<p>\u53c2\u6570\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-a\u6216--append \u3000\u9644\u52a0\u5230\u65e2\u6709\u6587\u4ef6\u7684\u540e\u9762\uff0c\u800c\u975e\u8986\u76d6\u5b83\uff0e\n-i\u6216--ignore-interrupts \u3000\u5ffd\u7565\u4e2d\u65ad\u4fe1\u53f7\u3002\n--help \u3000\u5728\u7ebf\u5e2e\u52a9\u3002\n--version \u3000\u663e\u793a\u7248\u672c\u4fe1\u606f\u3002<\/code><\/pre>\n\n\n\n<p><code>$ tee file1 file2                   #\u5728\u4e24\u4e2a\u6587\u4ef6\u4e2d\u590d\u5236\u5185\u5bb9<\/code><\/p>\n\n\n\n<h3>md5sum \u547d\u4ee4\uff1b\u9a8c\u8bc1\u7f51\u7edc\u6587\u4ef6\u4f20\u8f93\u7684\u5b8c\u6574\u6027<\/h3>\n\n\n\n<p>MD5\u7b97\u6cd5\u5e38\u5e38\u88ab\u7528\u6765\u9a8c\u8bc1\u7f51\u7edc\u6587\u4ef6\u4f20\u8f93\u7684\u5b8c\u6574\u6027\uff0c\u9632\u6b62\u6587\u4ef6\u88ab\u4eba\u7be1\u6539\u3002MD5 \u5168\u79f0\u662f\u62a5\u6587\u6458\u8981\u7b97\u6cd5\uff08Message-Digest Algorithm 5\uff09\uff0c\u6b64\u7b97\u6cd5\u5bf9\u4efb\u610f\u957f\u5ea6\u7684\u4fe1\u606f\u9010\u4f4d\u8fdb\u884c\u8ba1\u7b97\uff0c\u4ea7\u751f\u4e00\u4e2a\u4e8c\u8fdb\u5236\u957f\u5ea6\u4e3a128\u4f4d\uff08\u5341\u516d\u8fdb\u5236\u957f\u5ea6\u5c31\u662f32\u4f4d\uff09\u7684\u201c\u6307\u7eb9\u201d\uff08\u6216\u79f0\u201c\u62a5\u6587\u6458\u8981\u201d\uff09\uff0c\u4e0d\u540c\u7684\u6587\u4ef6\u4ea7\u751f\u76f8\u540c\u7684\u62a5\u6587\u6458\u8981\u7684\u53ef\u80fd\u6027\u662f\u975e\u5e38\u975e\u5e38\u4e4b\u5c0f\u7684\u3002<br>\n\u5728Linux\u6216Unix\u4e0a\uff0cmd5sum\u662f\u7528\u6765\u8ba1\u7b97\u548c\u6821\u9a8c\u6587\u4ef6\u62a5\u6587\u6458\u8981\u7684\u5de5\u5177\u7a0b\u5e8f\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u5b89\u88c5\u4e86Linux\u540e\uff0c\u5c31\u4f1a\u6709md5sum\u8fd9\u4e2a\u5de5\u5177\uff0c\u76f4\u63a5\u5728\u547d\u4ee4\u884c\u7ec8\u7aef\u76f4\u63a5\u8fd0\u884c\u3002\u3001<\/p>\n\n\n\n<p>\u547d\u4ee4\u683c\u5f0f<\/p>\n\n\n\n<p><code>md5sum [OPTION]... [FILE]...<\/code><\/p>\n\n\n\n<p>3\u3001\u547d\u4ee4\u9009\u9879<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-b \u6216 --binary :\u628a\u8f93\u5165\u6587\u4ef6\u4f5c\u4e3a\u4e8c\u8fdb\u5236\u6587\u4ef6\u770b\u5f85\u3002 \n-t \u6216 --text :\u628a\u8f93\u5165\u7684\u6587\u4ef6\u4f5c\u4e3a\u6587\u672c\u6587\u4ef6\u770b\u5f85\uff08\u9ed8\u8ba4\uff09\u3002 \n-c \u6216 --check :\u7528\u6765\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6md5\u4fe1\u606f\u68c0\u67e5\u6587\u4ef6\u7684\u4e00\u81f4\u6027\u3002(\u4e0d\u7ec6\u8bf4\u4e86\u53c2\u89c1info) \n--status :\u8fd9\u4e2a\u9009\u9879\u548ccheck\u4e00\u8d77\u4f7f\u7528,\u5728check\u7684\u65f6\u5019\uff0c\u4e0d\u8f93\u51fa\uff0c\u800c\u662f\u6839\u636e\u8fd4\u56de\u503c\u8868\u793a\u68c0\u67e5\u7ed3\u679c\u3002 \n-w \u6216 --warn :\u5728check\u7684\u65f6\u5019\uff0c\u68c0\u67e5\u8f93\u5165\u7684md5\u4fe1\u606f\u53c8\u6ca1\u6709\u975e\u6cd5\u7684\u884c\uff0c\u5982\u679c\u6709\u5219\u8f93\u51fa\u76f8\u5e94\u4fe1\u606f\u3002\n\n\u6587\u4ef6FILE\uff1a\u6307\u5b9a\u4fdd\u5b58\u7740\u6587\u4ef6\u540d\u548c\u6821\u9a8c\u548c\u7684\u6587\u672c\u6587\u4ef6<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\u67e5\u770b\u4e00\u4e2a\u6587\u4ef6\u7684md5\u503c\n md5sum \u6587\u4ef6\u540d\n\n\u751f\u4ea7\u8fd9\u4e2a\u4e2a\u6587\u4ef6\u7684md5\u503c\n<\/code><\/pre>\n\n\n<p>[root@web-master ~]<\/p>\n\n\n\n<p># md5sum kevin.sql &gt; kevin.sql.md5\n\n\u68c0\u67e5\u4e24\u4e2a\u6587\u4ef6\u662f\u5426\u4e00\u6837\uff0c\u53ef\u4ee5\u901a\u8fc7\u6bd4\u8f83\u4e24\u4e2a\u6587\u4ef6\u7684md5\u503c (\u540e\u7eed\u53ef\u4ee5\u7528\u8fd9\u4e2a\u65b9\u6cd5\u6765\u68c0\u9a8ckevin.sql\u6587\u4ef6\u662f\u5426\u88ab\u4fee\u6539)\u3002\n<\/p>\n\n\n<p>[root@web-master ~]<\/p>\n\n\n\n<p># md5sum kevin.sql\n170ecb8475ca6e384dbd74c17e165c9e  kevin.sql\n<\/p>\n\n\n<p>[root@web-master ~]<\/p>\n\n\n\n<p># cat kevin.sql.md5\n170ecb8475ca6e384dbd74c17e165c9e  kevin.sql<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ps -ef \u4efb\u52a1\u7ba1\u7406\u5668 tr :traanslate \u7528\u4e8e\u8f6c\u6362\u6216\u8005\u5220\u9664\u6587\u4ef6\u4e2d\u7684\u5b57\u7b26 Linux tr \u547d\u4ee4\u7528 &hellip; <a href=\"http:\/\/139.9.1.231\/index.php\/2021\/12\/13\/linux-9\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">linux\u547d\u4ee4<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/151"}],"collection":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/comments?post=151"}],"version-history":[{"count":1,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/151\/revisions"}],"predecessor-version":[{"id":152,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/151\/revisions\/152"}],"wp:attachment":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/media?parent=151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/categories?post=151"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/tags?post=151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}