{"id":6915,"date":"2022-09-15T14:29:58","date_gmt":"2022-09-15T06:29:58","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=6915"},"modified":"2024-11-19T14:23:15","modified_gmt":"2024-11-19T06:23:15","slug":"%e6%8b%ac%e5%8f%b7","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=6915","title":{"rendered":"shell\u5404\u79cd\u7b26\u53f7\u6574\u7406"},"content":{"rendered":"<p><a href=\"https:\/\/blog.csdn.net\/TomAndersen\/article\/details\/104214632\">https:\/\/blog.csdn.net\/TomAndersen\/article\/details\/104214632<\/a><\/p>\n<p><a href=\"https:\/\/www.lxlinux.net\/570.html\">https:\/\/www.lxlinux.net\/570.html<\/a><\/p>\n<p><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/76575214\">https:\/\/zhuanlan.zhihu.com\/p\/76575214<\/a><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_16 counter-hierarchy counter-decimal ez-toc-grey\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">\u76ee\u5f55<\/p>\n<span 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id=\"%E5%90%84%E7%A7%8D%E7%B1%BB%E5%9E%8B%E7%9A%84%E6%8B%AC%E5%8F%B7\"><\/span>\u5404\u79cd\u7c7b\u578b\u7684\u62ec\u53f7<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\n<p>${}<br \/>\n\u5b9a\u4e49\u53d8\u91cf\u7684\u8fb9\u754c<br \/>\n<a href=\"https:\/\/blog.csdn.net\/qq_43382735\/article\/details\/121606145\">https:\/\/blog.csdn.net\/qq_43382735\/article\/details\/121606145<\/a><\/p>\n<\/li>\n<li>\n<p>(())\u53d8\u91cf\u7684\u6570\u503c\u8fd0\u7b97<br \/>\n<a href=\"https:\/\/www.cnblogs.com\/scajy\/p\/12762505.html\">https:\/\/www.cnblogs.com\/scajy\/p\/12762505.html<\/a><\/p>\n<\/li>\n<li>\n<p>$() \u548c ${} \u7684\u533a\u522b<br \/>\n<a href=\"https:\/\/blog.csdn.net\/itworld123\/article\/details\/125447252\">https:\/\/blog.csdn.net\/itworld123\/article\/details\/125447252<\/a><\/p>\n<\/li>\n<\/ul>\n<p>1\uff09\u6ce8\u610f\uff0c\u5982\u679c$()\u91cc\u6267\u884ccmd\u62a5\u9519\u4e86\uff0cvar=$(cmd)\uff0cvar\u53d8\u91cf\u4f1a\u4e3a\u7a7a\uff0c\u5fc5\u987bvar=$(cmd 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\u8fd9\u4e9b\u5b57\u7b26\u4e0e\u53cc\u5f15\u53f7\u4e00\u8d77\u4f7f\u7528\u65f6\u5177\u6709\u7279\u6b8a\u542b\u4e49\uff0c\u5e76\u4e14\u5728\u663e\u793a\u4e4b\u524d\u5bf9\u5176\u8fdb\u884c\u8bc4\u4f30<\/p>\n<p>\u53cc\u5f15\u53f7\u53ef\u4ee5\u901a\u8fc7\u5728\u53cc\u5f15\u53f7\u524d\u52a0\u4e0a\u53cd\u659c\u6760\u6765\u4f7f\u7528\u5176\u81ea\u8eab<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E5%A4%8D%E6%9D%82%E9%80%BB%E8%BE%91%E5%88%A4%E6%96%AD\"><\/span>\u590d\u6742\u903b\u8f91\u5224\u65ad<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/blog.csdn.net\/xiaojin21cen\/article\/details\/124015943\">https:\/\/blog.csdn.net\/xiaojin21cen\/article\/details\/124015943<\/a><\/p>\n<button class=\"simplefavorite-button\" data-postid=\"6915\" data-siteid=\"1\" data-groupid=\"1\" data-favoritecount=\"0\" style=\"\">\u6536\u85cf <i 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