{"id":232,"date":"2020-02-29T16:06:43","date_gmt":"2020-02-29T08:06:43","guid":{"rendered":"http:\/\/118.25.47.203\/?page_id=232"},"modified":"2023-11-02T17:29:34","modified_gmt":"2023-11-02T09:29:34","slug":"shell","status":"publish","type":"page","link":"https:\/\/blog.ywdevops.cn\/index.php\/shell\/","title":{"rendered":"shell\u811a\u672c\u5e38\u7528\u547d\u4ee4"},"content":{"rendered":"\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>\u57fa\u672c\u547d\u4ee4\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>declare\uff1a\u7528\u4e8e\u58f0\u660e\u53d8\u91cf\u548c\u4fee\u6539\u53d8\u91cf\u7684\u5c5e\u6027\uff0c\u4e0etypeset\u7528\u6cd5\u5b8c\u5168\u76f8\u540c\uff0c\u4f8b\u5982\uff1adeclare -i  number\u8868\u793a\u58f0\u660e\u4e00\u4e2a\u6574\u6570\u53d8\u91cf<\/li><li>nohup\uff1a\u8ba9\u8fd0\u884c\u7684\u547d\u4ee4\u6216\u8005\u811a\u672c\u5728\u4f60\u9000\u51fa\u7cfb\u7edf\u540e\u7ee7\u7eed\u8fd0\u884c\uff0c\u5982\uff1anohup java -jar hello.jar > nohup.out 2>&amp;1 &amp;  \u540e\u53f0\u8fd0\u884cjava\uff0c\u5c06\u6807\u51c6\u8f93\u51fa\u548c\u9519\u8bef\u8f93\u51fa\u90fd\u8f93\u51fa\u5230nohup.out<\/li><li># helloworld     \/\/\u8868\u793ashell\u811a\u672c\u5355\u884c\u6ce8\u91ca<\/li><li>: &#8216;helloworld&#8217;   \/\/\u8868\u793a\u591a\u884c\u6ce8\u91ca(\u6ce8\u610f:\u548c&#8217;\u4e4b\u95f4\u6709\u4e00\u4e2a\u7a7a\u683c)<\/li><li>\u5728\u811a\u672c\u6700\u4e0a\u65b9\u52a0\u4e0aset -e   \/\/\u8868\u793a\u53d1\u751f\u9519\u8bef\u7684\u65f6\u5019\u9000\u51fa<\/li><li>\u5728\u811a\u672c\u5f00\u5934\u52a0\u4e0aset -u      \/\/\u8868\u793a\u5f53bash\u4f7f\u7528\u672a\u58f0\u660e\u7684\u53d8\u91cf\u65f6\u9000\u51fa        <\/li><li>\u901a\u8fc7wget\u4e0b\u8f7dsvn\u4e2d\u7684\u6587\u4ef6\uff1awget &#8211;http-user=username &#8211;http-passwd=password  -c  -t 5http:\/\/svn\u5730\u5740\/\u5305\u540d            \/\/-c\u8868\u793a\u65ad\u7535\u7eed\u4f20\uff0c-t\u8868\u793a\u91cd\u8bd5\u6b21\u6570\uff0c5\u8868\u793a5\u6b21<\/li><li>find  .  -path .\/backup -prune -o -type d -name &#8220;abc*&#8221; -print \/\/\u67e5\u627e\u5f53\u524d\u76ee\u5f55\u4e0b\u6587\u4ef6\u5939\u540d\u4e3aabc\u7684\u6587\u4ef6\u5939\uff0c\u5e76\u6392\u9664\u5f53\u524d\u76ee\u5f55\u4e0b\u7684backup\u6587\u4ef6\u5939<\/li><li>ssh -t  oracle@192.168.1.1 &#8220;\/tmp\/oracle.sh&#8221;  \/\/\u6267\u884c\u8fdc\u7a0b\u4e3b\u673a192.168.1.1\u4e2d\u7684oracle.sh\u811a\u672c<\/li><li>ls -lrt  | head -n 1    \/\/\u6309\u7167\u65f6\u95f4\u6392\u5e8f\u5f53\u524d\u76ee\u5f55\u4e0b\u6587\u4ef6\uff0c\u5e76\u53d6\u5230\u7b2c\u4e00\u4e2a\u6587\u4ef6<\/li><li> ls -lrt  | tail -n 1    \/\/\u6309\u7167\u65f6\u95f4\u6392\u5e8f\u5f53\u524d\u76ee\u5f55\u4e0b\u6587\u4ef6\uff0c\u5e76\u53d6\u5230\u6700\u540e\u4e00\u4e2a\u6587\u4ef6 <\/li><li>cd $(dirname $0)  \/\/\u8fdb\u5165\u5f53\u524d\u7684\u811a\u672c\u7684\u6240\u5728\u8def\u5f84\uff0c\u4e00\u822c\u5199\u811a\u672c\u653e\u5728\u7b2c\u4e00\u884c\uff0c\u5c31\u4e0d\u7528\u91cd\u65b0\u5b9a\u4e49\u8def\u5f84<\/li><li>cmd 2>&amp;1  output.txt   \/\/\u5c06stderr\u8f6c\u6362\u6210stdout\uff0c\u5c06\u4e8c\u8005\u90fd\u8f93\u51fa\u5230\u6587\u4ef6\u4e2d<\/li><li>cmd  &amp;>  output.txt      \/\/\u5c06stderr\u548cstdout\u90fd\u8f93\u51fa\u5230\u6587\u4ef6\u4e2d<\/li><li>echo ${array[*]}             \/\/\u6253\u5370\u6570\u7ec4\u5168\u90e8\u5143\u7d20<\/li><li>echo ${#array[8]}          \/\/\u6253\u5370\u6570\u7ec4\u957f\u5ea6<\/li><li>echo ${#array[8]}          \/\/\u5217\u51fa\u6570\u7ec4\u7d22\u5f15<\/li><li>stty   -echo                     \/\/\u6267\u884c\u540e\uff0c\u5728\u7ec8\u7aef\u8f93\u5165\u7684\u547d\u4ee4\u5c06\u4e0d\u663e\u793a\uff0c\u53ef\u9690\u85cf\u663e\u793a<\/li><li>stty   echo                      \/\/\u6267\u884c\u540e\uff0c\u5728\u7ec8\u7aef\u8f93\u5165\u7684\u547d\u4ee4\u5c06\u518d\u6b21\u663e\u793a<\/li><li>bash -x  script.sh           \/\/\u8c03\u8bd5\u811a\u672c\uff0c\u67e5\u770b\u811a\u672c\u6267\u884c\u8fc7\u7a0b<\/li><li>set -e                            \/\/\u901a\u5e38\u653e\u5728\u811a\u672c\u4e2d\uff0c\u5f53\u547d\u4ee4\u8fd4\u56de\u975e0\u7684\u65f6\u5019\uff0c\u7acb\u5373\u9000\u51fa\u811a\u672c\u6267\u884c<\/li><li>read -n 5 var                \/\/\u4ece\u6807\u51c6\u8f93\u5165\u4e2d\u8bfb\u53d65\u4e2a\u5b57\u7b26\u540e\uff0c\u81ea\u52a8\u5b58\u50a8\u53d8\u91cfvar\u4e2d\uff0c\u65e0\u9700\u6309\u56de\u8f66\u952e<\/li><li>read -s  var                  \/\/\u7528\u65e0\u56de\u663e\u7684\u65b9\u5f0f\u8bfb\u53d6\u5bc6\u7801<\/li><li>read -p &#8220;Enter input\uff1a&#8221; var  \/\/\u663e\u793a\u63d0\u793a\u4fe1\u606f<\/li><li>read -t 10  var             \/\/\u5728\u7279\u5b9a\u65f6\u95f4\u53bb\u8bfb\u53d6\u8f93\u5165\uff0c\u5e76\u4e0d\u662f\u5b58\u5165\u53d8\u91cfvar<\/li><li>read -d &#8220;:&#8221; var             \/\/\u7528\u7279\u5b9a\u7684\u5b9a\u754c\u7b26\u4f5c\u4e3a\u8f93\u5165\u884c\u7684\u7ed3\u675f\uff0c\u4f8b\u5982\u8f93\u5165helloworld:\u540e\u624d\u7ed3\u675f<\/li><li>find . -type f -amin +30  -print   \/\/\u6253\u5370\u8bbf\u95ee\u65f6\u95f4\u8d85\u8fc730\u5206\u949f\u7684\u6240\u6709\u6587\u4ef6\uff0c\u53ef\u4e0d\u52a0-print<\/li><li>find . -type f -mmin +30             \/\/\u6253\u5370\u4fee\u6539\u65f6\u95f4\u8d85\u8fc730\u5206\u949f\u7684\u6240\u6709\u6587\u4ef6<\/li><li>find . -type f -cmin +30             \/\/\u6253\u5370\u4fee\u6539\u65f6\u95f4\u8d85\u8fc730\u5206\u949f\u7684\u6240\u6709\u6587\u4ef6<\/li><li>cat abc.txt  |xargs                      \/\/\u5c06\u591a\u884c\u6587\u672c\u8f6c\u6362\u4e3a\u5355\u884c\u6587\u672c<\/li><li>cat abc.txt |xargs -n 3               \/\/\u5c06\u5355\u884c\u6587\u4ef6\u5212\u5206\u6210\u591a\u884c\uff0c\u6bcf\u884c3\u4e2a\u53c2\u6570<\/li><li>ps -ef |grep java  | xargs kill -9 \/\/\u83b7\u53d6\u8fdb\u7a0b\u5e76\u6740\u6389\u8fdb\u7a0b<\/li><li>base64 filename > outputfile  \/\/\u901a\u8fc7base64\u52a0\u5bc6\u6587\u4ef6<\/li><li>base64 -d filename > outputfile  \/\/\u89e3\u7801base64\u6570\u636e<\/li><li>echo -n &#8220;helloworld&#8221;   | base64    \/\/\u52a0\u5bc6\u5b57\u7b26\u4e32<\/li><li>echo  &#8220;aGVsbG93b3JsZA==&#8221;  | base64  &#8211;decode \/\/\u89e3\u5bc6\u5b57\u7b26\u4e32<\/li><li>split -b 10k   data.file               \/\/\u5c06\u6587\u4ef6\u5206\u9694\u6210\u591a\u4e2a\u6587\u4ef6\uff0c\u6bcf\u4e2a\u5927\u5c0f\u4e3a10k<\/li><li>!\/bin\/bash file=abc.txt name=${file%.*} echo ${name}  \/\/\u63d0\u53d6\u6587\u4ef6\u540d\u7684\u811a\u672c\uff0c\u901a\u8fc7%\u64cd\u4f5c\u7b26\u5b9e\u73b0<\/li><li>!\/bin\/bash file=abc.txt name=${file#*.} echo ${name}  \/\/\u63d0\u53d6\u6587\u4ef6\u6269\u5c55\u540d\u811a\u672c\uff0c\u901a\u8fc7#\u64cd\u4f5c\u7b26\u5b9e\u73b0<\/li><li>cut -d &#8221; &#8221; -f 1   a.txt         \/\/\u5207\u5272\u6587\u4ef6a.txt\u7684\u7b2c\u4e00\u5217   -d\u8868\u793a\u6307\u5b9a\u5206\u9694\u7b26 -f \u6307\u5b9a\u63d0\u53d6\u7684\u7b2c\u51e0\u5217<\/li><li>cut -d &#8221; &#8221; -f 2,3  a.txt       \/\/\u5207\u5272\u6587\u4ef6a.txt\u7684\u7b2c\u4e8c\u7b2c\u4e09\u5217\uff0c\u5206\u9694\u7b26\u53ef\u80fd\u4e3a\uff1a\u4e5f\u53ef\u80fd\u4e3a\uff0c<\/li><li>$[ 1+ 3 ]                          \/\/\u6267\u884c\u52a0\u6cd5\u8fd0\u7b97<\/li><li>exec 1> output.txt             \/\/\u5c06\u811a\u672c\u7684\u5168\u90e8\u6807\u51c6\u8f93\u51fa\u90fd\u8f93\u51fa\u5230out.put\u6587\u4ef6\u4e2d<\/li><li>exec  2> errout.txt             \/\/\u5c06\u811a\u672c\u7684\u5168\u90e8\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u90fd\u8f93\u51fa\u5230err.txt\u6587\u4ef6\u4e2d<\/li><\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u672c\u547d\u4ee4\uff1a declare\uff1a\u7528\u4e8e\u58f0\u660e\u53d8\u91cf\u548c\u4fee\u6539\u53d8\u91cf\u7684\u5c5e\u6027\uff0c\u4e0etypeset\u7528\u6cd5\u5b8c\u5168\u76f8\u540c\uff0c\u4f8b\u5982\uff1adeclare  [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-232","page","type-page","status-publish","hentry"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"_links":{"self":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/pages\/232","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/comments?post=232"}],"version-history":[{"count":46,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/pages\/232\/revisions"}],"predecessor-version":[{"id":11435,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/pages\/232\/revisions\/11435"}],"wp:attachment":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media?parent=232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}