{"id":186802,"date":"2020-10-21T01:18:56","date_gmt":"2020-10-20T17:18:56","guid":{"rendered":"http:\/\/4563.org\/?p=186802"},"modified":"2020-10-21T01:18:56","modified_gmt":"2020-10-20T17:18:56","slug":"shell-tr-cd-%e5%8c%b9%e9%85%8d%e5%ad%97%e7%ac%a6%e4%b8%b2%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=186802","title":{"rendered":"shell tr -cd \u5339\u914d\u5b57\u7b26\u4e32\u95ee\u9898"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  shell tr -cd \u5339\u914d\u5b57\u7b26\u4e32\u95ee\u9898               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wuwenzhx <\/span>  <span><i><\/i> 7<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u95ee\u9898:shell \u5b57\u7b26\u4e32[123,456,789]<br \/> \u60f3\u7528\u8ba9\u5b57\u7b26\u4e32\u53d8\u6210\u6570\u7ec4(123 456 789)<br \/> \u4e3b\u60f3\u5148\u53bb\u6389\u5b57\u7b26\u4e32\u7684&#8221;[&#8221; &#8220;]&#8221;<br \/> array=$(echo &#8220;[123,456,789]&#8221;|tr -cd [0-9][,])<\/p>\n<p>\u518d\u66ff\u6362\u6389&#8221;,&#8221; \u7136\u540e\u5c31\u8f6c\u6362\u6210\u6570\u7ec4\u4e86<br \/> array=(${array\/\/,\/ })<br \/> for i in ${array[@]};do<br \/> echo $i<br \/> done<\/p>\n<p>\u7136\u800c\u7b2c\u4e00\u6b65 tr -cd \u5e76\u6ca1\u6709\u53bb\u6389\u5b57\u7b26\u4e32\u7684&#8221;[&#8221; &#8220;]&#8221;&#8230;.<br \/> \u4f7f\u7528 array=(${\/\/[\/ })\u4e5f\u53bb\u4e0d\u6389 \u5c34\u5c2c\u4e86<br \/> \u5927\u4f6c\u4eec&#8221;[&#8221; \u548c&#8221;]&#8221; \u5982\u4f55\u53bb\u6389\uff1f<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>3<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"4035709\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : lululau <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             -cd [0-9][,] \u4e3a\u4ec0\u4e48\u4f1a\u53bb\u6389\u65b9\u62ec\u53f7\uff0c\u4ec0\u4e48\u903b\u8f91\uff1f<\/p>\n<p>\u8bd5\u8bd5\uff1aarray=($(echo &#8220;[123,456,789]&#8221;|tr -d &#8216;[]&#8217; | tr , &#8216; &#8216;))                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4035710\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : wuwenzhx <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             tr [-cdst][&#8211;help][&#8211;version][\u7b2c\u4e00\u5b57\u7b26\u96c6][\u7b2c\u4e8c\u5b57\u7b26\u96c6] <br \/>tr [OPTION]\u2026SET1[SET2] <br \/>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n<p>-c, &#8211;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<br \/>-d, &#8211;delete\uff1a\u5220\u9664\u6307\u4ee4\u5b57\u7b26<\/p>\n<p>-c \u6ca1\u6709\u6307\u5b9a&#8221;[]&#8221; \u7406\u8bba\u4e0a&#8221;[]&#8221; \u4e0d\u5e94\u8be5\u88ab\u5220\u9664\u5417\uff1f                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4035711\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : wuwenzhx <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @lululau \u53e6\u5916\u8bd5\u4e86\u4f60\u7684\u65b9\u6cd5 \u53ef\u4ee5\u5b9e\u73b0 thx                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>shell tr -cd \u5339\u914d\u5b57\u7b26&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/186802"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=186802"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/186802\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=186802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=186802"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=186802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}