{"id":144466,"date":"2020-08-09T19:33:27","date_gmt":"2020-08-09T11:33:27","guid":{"rendered":"http:\/\/4563.org\/?p=144466"},"modified":"2020-08-09T19:33:27","modified_gmt":"2020-08-09T11:33:27","slug":"linux-shell%e7%9a%84%e6%95%b0%e7%bb%84%e6%90%9e%e7%9a%84%e6%88%91%e6%9c%89%e7%82%b9%e5%a4%b4%e5%a4%a7","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=144466","title":{"rendered":"Linux shell\u7684\u6570\u7ec4\u641e\u7684\u6211\u6709\u70b9\u5934\u5927"},"content":{"rendered":"\n<p>  \t\t\t\t\t<strong>\u55f7\u55f7<\/strong>  \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n<h3>Linux shell\u7684\u6570\u7ec4\u641e\u7684\u6211\u6709\u70b9\u5934\u5927<\/h3>\n<p>  \t\t \u672c\u5e16\u6700\u540e\u7531 \u55f7\u55f7 \u4e8e 2020-8-9 19:23 \u7f16\u8f91 <\/p>\n<p> \u5b9a\u4e49\u6570\u7ec4\u662f\u7528\u5c0f\u62ec\u53f7\u5305\u8d77\u6765\uff0c\u7a7a\u683c\u5206\u9694<\/p>\n<p>  array=(hello mjj)<\/p>\n<p>  \u5f15\u7528\u53d8\u91cf\u662f\u8fd9\u6837\u7684<br \/>  cxk=sb<br \/>  echo $cxk<br \/>  echo ${cxk}<\/p>\n<p>  \u5f15\u7528\u6570\u7ec4\u5c31\u662f\u5927\u62ec\u53f7\u5305\u7740\u6570\u7ec4\u540d\uff0c\u6570\u7ec4\u540d\u540e\u9762\u7528\u4e2d\u62ec\u53f7\u5305\u7740\u4e0b\u6807<br \/>  echo ${array}<br \/>  echo ${array}<\/p>\n<p>  #\u7136\u540e\u5982\u679c\u662f<br \/>  echo $array<\/p>\n<p>  #\u5c31\u7b49\u540c\u4e8e<br \/>  echo ${array}<\/p>\n<p>  \u8981\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u5c31\u662f<br \/>  ${#array[@]}<br \/>  \u6216<br \/>  ${#array[*]}<\/p>\n<p>  ${#array} #\u83b7\u53d6\u7684\u5c31\u662f5(hello\u7684\u957f\u5ea6)<br \/>  ${#array} #\u83b7\u53d6\u7684\u5c31\u662f3(mjj\u7684\u957f\u5ea6)<\/p>\n<p>  \u4e00\u5f00\u59cb\u6ca1\u7406\u89e3\u6570\u7ec4\u540d\u524d\u9762\u52a0\u4e2a#\u7684\u4f5c\u7528\uff0c\u641e\u5f97\u6211\u6709\u70b9\u5934\u5927<\/p>\n<p>  \t\t\t\t\t<strong>\u5730\u7403\u662f\u6715\u6413\u5706\u7684<\/strong>  \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n<h3><\/h3>\n<p>  \t\t\u4e0d\u61c2\uff0c\u4e0b\u4e00\u4f4d\t\t\t\t<\/p>\n<p>  \t\t\t\t\t<strong>h20<\/strong>  \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n<h3><\/h3>\n<p>  \t\tshell\u6709\u5fc5\u8981\u641e\u8fd9\u4e48\u590d\u6742\u5417\uff1f\u76f4\u63a5\u4e00\u884c\u4e00\u4e2a\u53bb\u5904\u7406\u4e0d\u597d\u5417\uff1f\u4e0d\u77e5\u9053\u662f\u5947\u602a\u7684\u9700\u6c42\u8fd8\u662f\u5947\u602a\u7684\u89e3\u51b3\u65b9\u6848\t\t\t  <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u55f7\u55f7 \u5927\u4f6c\u6709\u8bdd\u8bf4 : Linux &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\/144466"}],"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=144466"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/144466\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=144466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=144466"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=144466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}