{"id":451,"date":"2016-08-27T01:28:30","date_gmt":"2016-08-26T17:28:30","guid":{"rendered":"https:\/\/peloo.net\/?p=451"},"modified":"2016-09-11T15:16:55","modified_gmt":"2016-09-11T15:16:55","slug":"shell%e4%b9%8btoo-many-arguments%e7%9a%84%e8%a7%a3%e5%86%b3%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/peloo.net\/?p=451","title":{"rendered":"shell\u4e4btoo many arguments\u7684\u89e3\u51b3\u65b9\u6cd5"},"content":{"rendered":"<p>&nbsp;&nbsp;&nbsp; \u65b0\u624b\u5728\u7f16\u5199\u811a\u672c\u65f6\u5019\uff0c\u5728\u505a\u5b57\u7b26\u6bd4\u5bf9\u5bb9\u6613\u51fa\u73b0\u201ctoo many arguments\u201d\u62a5\u9519\uff0c\u6bd4\u5982\u4e0b\u9762\u7684\u4ee3\u7801\uff1a<\/p>\n<p><\/p>\n<p>[pc@S5 Desktop]$ [ -n `ps aux | grep sshd` ] &amp;&amp; echo test code<\/p>\n<p><span style=\"color: #ff0000\"><strong>bash: [: too many arguments<\/strong><\/span><\/p>\n<p>\u89e3\u51b3\u65b9\u6cd5\u4e00\uff1a<\/p>\n<p>[pc@S5 Desktop]$ [[ -n `ps aux | grep sshd` ] ] &amp;&amp; echo test code<\/p>\n<p>\u89e3\u51b3\u65b9\u6cd5\u4e8c\uff1a<\/p>\n<p>[pc@S5 Desktop]$ [ -n \u201d`ps aux | grep sshd`\u201c ] &amp;&amp; echo test code<\/p>\n<p>\u6211\u4e00\u822c\u90fd\u7528\u7b2c\u4e8c\u79cd\u65b9\u6cd5\uff0c\u5bf9\u53d8\u91cf\u52a0\u4e0a\u53cc\u5f15\u53f7\u5bb9\u9519\u6027\u5f3a<\/p>\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp;&nbsp;&nbsp; \u65b0\u624b\u5728\u7f16\u5199\u811a\u672c\u65f6\u5019\uff0c\u5728\u505a\u5b57\u7b26\u6bd4\u5bf9\u5bb9\u6613\u51fa\u73b0\u201ctoo many arguments\u201d\u62a5\u9519\uff0c\u6bd4\u5982\u4e0b\u9762\u7684\u4ee3\u7801\uff1a [pc@S5 Desktop]$ [ -n `ps aux | grep sshd` ] &amp;&amp; echo test code bash: [: too many arguments \u89e3\u51b3\u65b9\u6cd5\u4e00\uff1a [pc@S5 Desktop]$ [[ -n `ps aux | grep sshd` ] ] &amp;&amp; echo test code \u89e3\u51b3\u65b9\u6cd5\u4e8c\uff1a [pc@S5 Desktop]$ [ -n \u201d`ps aux | grep sshd`\u201c ] &amp;&amp; echo test code \u6211\u4e00\u822c\u90fd\u7528\u7b2c\u4e8c\u79cd\u65b9\u6cd5\uff0c\u5bf9\u53d8\u91cf\u52a0\u4e0a\u53cc\u5f15\u53f7\u5bb9\u9519\u6027\u5f3a<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/peloo.net\/index.php?rest_route=\/wp\/v2\/posts\/451"}],"collection":[{"href":"https:\/\/peloo.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/peloo.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/peloo.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/peloo.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=451"}],"version-history":[{"count":4,"href":"https:\/\/peloo.net\/index.php?rest_route=\/wp\/v2\/posts\/451\/revisions"}],"predecessor-version":[{"id":650,"href":"https:\/\/peloo.net\/index.php?rest_route=\/wp\/v2\/posts\/451\/revisions\/650"}],"wp:attachment":[{"href":"https:\/\/peloo.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/peloo.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/peloo.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}