\u8bed\u6cd5<\/strong><\/div>\n
expr(\u9009\u9879)(\u53c2\u6570)<\/pre>\n
\u9009\u9879<\/strong><\/div>\n
--help\uff1a\u663e\u793a\u6307\u4ee4\u7684\u5e2e\u52a9\u4fe1\u606f\uff1b\r\n--version\uff1a\u663e\u793a\u6307\u4ee4\u7248\u672c\u4fe1\u606f\u3002\r\n<\/pre>\n
\u53c2\u6570<\/strong><\/div>\n
\u8868\u8fbe\u5f0f\uff1a\u8981\u6c42\u503c\u7684\u8868\u8fbe\u5f0f\u3002\r\n<\/pre>\n
\u5b9e\u4f8b<\/strong><\/div>\n
result=`expr 2 + 3`\r\nresult=$(expr $no1 + 5)\r\n<\/pre>\n
\n
\u539f\u6587\u6765\u81ea\uff1ahttp:\/\/man.linuxde.net\/expr<\/a><\/p>\n
\u672c\u6587\u5730\u5740\uff1a http:\/\/gulass.cn\/expr-command.html<\/a>\u7f16\u8f91\uff1a\u674e\u5e05\uff0c\u5ba1\u6838\u5458\uff1a\u9004\u589e\u5b9d<\/span><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"
expr\u547d\u4ee4\u662f\u4e00\u6b3e\u8868\u8fbe\u5f0f\u8ba1\u7b97\u5de5\u5177\uff0c\u4f7f\u7528\u5b83\u5b8c\u6210\u8868\u8fbe\u5f0f\u7684\u6c42\u503c\u64cd\u4f5c\u3002 expr\u7684\u5e38\u7528\u8fd0\u7b97\u7b26\uff1a \u52a0\u6cd5\u8fd0\u7b97\uff1a+ \u51cf\u6cd5\u8fd0\u7b97 […]<\/p>\n","protected":false},"author":63,"featured_media":91739,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-91737","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/91737","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/users\/63"}],"replies":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/comments?post=91737"}],"version-history":[{"count":7,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/91737\/revisions"}],"predecessor-version":[{"id":290491,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/91737\/revisions\/290491"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/media\/91739"}],"wp:attachment":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/media?parent=91737"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/categories?post=91737"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/tags?post=91737"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}