\u5728\u5b66\u4e60\u811a\u672c\u6216\u5199\u811a\u672c\u7684\u521d\u671f\u9636\u6bb5\uff0c\u6211\u4eec\u901a\u5e38\u4ece\u5199\u5c0f\u811a\u672c\u6216\u8005\u51e0\u884c\u547d\u4ee4\u7684\u77ed\u811a\u672c\u5f00\u59cb\uff0c\u8c03\u8bd5\u8fd9\u6837\u7684\u811a\u672c\u65f6\u6211\u4eec\u901a\u5e38\u65e0\u975e\u5c31\u662f\u901a\u8fc7\u89c2\u5bdf\u5b83\u4eec\u7684\u8f93\u51fa\u6765\u786e\u4fdd\u5176\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n

\u7136\u800c\uff0c\u5f53\u6211\u4eec\u5f00\u59cb\u5199\u975e\u5e38\u957f\u6216\u4e0a\u5343\u884c\u547d\u4ee4\u7684\u9ad8\u7ea7\u811a\u672c\uff0c\u4f8b\u5982\u6539\u53d8\u7cfb\u7edf\u8bbe\u7f6e\u7684\u811a\u672c\uff0c\u5728\u7f51\u7edc\u4e0a\u6267\u884c\u5173\u952e\u5907\u4efd \u7b49\u7b49\uff0c\u6211\u4eec\u4f1a\u610f\u8bc6\u5230\u4ec5\u4ec5\u770b\u811a\u672c\u8f93\u51fa\u662f\u4e0d\u8db3\u4ee5\u5728\u811a\u672c\u4e2d\u627e\u5230 Bug \u7684\uff01<\/p>\n

\u56e0\u6b64\uff0c\u5728 Linux \u7cfb\u5217\u4e2d\u8fd9\u7bc7\u4ecb\u7ecd Shell \u811a\u672c\u8c03\u8bd5\uff0c \u6211\u4eec\u5c06\u770b\u770b\u5982\u4f55\u542f\u7528 Shell \u811a\u672c\u8c03\u8bd5\uff0c\u7136\u540e\u5728\u4e4b\u540e\u7684\u7cfb\u5217\u4e2d\u89e3\u91ca\u4e0d\u540c\u7684 Shell \u811a\u672c\u8c03\u8bd5\u6a21\u5f0f\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4eec\u3002<\/p>\n

\u5982\u4f55\u5f00\u59cb\u5199\u4e00\u4e2a\u811a\u672c<\/strong><\/div>\n
\u4e00\u4e2a\u811a\u672c\u4e0e\u5176\u5b83\u6587\u4ef6\u7684\u533a\u522b\u662f\u5b83\u7684\u9996\u884c\uff0c\u5b83\u5305\u542b #!<\/span>\uff08She-Bang - \u91ca\u4f34\uff1a\u5b9a\u4e49\u6587\u4ef6\u7c7b\u578b\uff09\u548c\u8def\u5f84\u540d\uff08\u89e3\u91ca\u5668\u8def\u5f84\uff09\uff0c\u901a\u77e5\u7cfb\u7edf\u8be5\u6587\u4ef6\u662f\u4e00\u4e2a\u547d\u4ee4\u96c6\u5408\uff0c\u5c06\u88ab\u6307\u5b9a\u7a0b\u5e8f(\u89e3\u91ca\u5668)\u89e3\u91ca\u3002<\/p>\n
$\"u29135855891493614726fm21gp0\"$ <\/p>\n
\u4e0b\u9762\u662f\u4e0d\u540c\u7c7b\u578b\u811a\u672c\u9996\u884c<\/span>\u793a\u4f8b\uff1a<\/p>\n
#!\/bin\/sh [sh \u811a\u672c]\r\n#!\/bin\/bash [bash \u811a\u672c] \r\n#!\/usr\/bin\/perl [perl \u7a0b\u5e8f]\r\n#!\/bin\/awk -f [awk \u811a\u672c] \r\n<\/pre>\n
\u6ce8\u610f\uff1a\u5982\u679c\u811a\u672c\u4ec5\u5305\u542b\u4e00\u7ec4\u6807\u51c6\u7cfb\u7edf\u547d\u4ee4\uff0c\u6ca1\u6709\u4efb\u4f55\u5185\u90e8 Shell \u6307\u4ee4\uff0c\u9996\u884c\u6216#!<\/span>\u53ef\u4ee5\u53bb\u6389\u3002<\/p>\n
\u5982\u4f55\u5728 Linux \u64cd\u4f5c\u7cfb\u7edf\u6267\u884c Shell \u811a\u672c<\/strong><\/div>\n
\u8c03\u7528\u4e00\u4e2a\u811a\u672c\u811a\u672c\u7684\u5e38\u89c4\u8bed\u6cd5\u662f\uff1a<\/p>\n
$ \u811a\u672c\u540d \u53c2\u65701 ... \u53c2\u6570N\r\n<\/pre>\n
\u53e6\u4e00\u79cd\u53ef\u80fd\u7684\u5f62\u5f0f\u662f\u660e\u786e\u6307\u5b9a\u5c06\u6267\u884c\u8fd9\u4e2a\u811a\u672c\u7684 Shell\uff0c\u5982\u4e0b\uff1a<\/p>\n
$ shell \u811a\u672c\u540d \u53c2\u65701 ... \u53c2\u6570N\r\n<\/pre>\n
\u793a\u4f8b\uff1a<\/p>\n
$ \/bin\/bash \u53c2\u65701 ... \u53c2\u6570N [bash \u811a\u672c]\r\n$ \/bin\/ksh \u53c2\u65701 ... \u53c2\u6570N [ksh \u811a\u672c]\r\n$ \/bin\/sh \u53c2\u65701 ... \u53c2\u6570N [sh \u811a\u672c]\r\n<\/pre>\n
\u5bf9\u4e8e\u6ca1\u6709 #!<\/span>\u4f5c\u4e3a\u9996\u884c\uff0c\u4ec5\u5305\u542b\u57fa\u7840\u7cfb\u7edf\u547d\u4ee4\u7684\u811a\u672c\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
### \u811a\u672c\u4ec5\u5305\u542b\u6807\u51c6\u7cfb\u7edf\u547d\u4ee4\r\ncd \/home\/$USER\r\nmkdir tmp\r\necho \"tmp directory created under \/home\/$USER\"\r\n<\/pre>\n
\u4f7f\u5b83\u53ef\u6267\u884c\u5e76\u8fd0\u884c\uff0c\u5982\u4e0b\uff1a<\/p>\n
$ chmod +x \u811a\u672c\u540d\r\n$ .\/\u811a\u672c\u540d \r\n<\/pre>\n
\u542f\u7528 Shell \u811a\u672c\u8c03\u8bd5\u6a21\u5f0f\u7684\u65b9\u6cd5<\/strong><\/div>\n
$\"u3394782435989447934fm21gp0\"$ <\/p>\n
\u4e0b\u9762\u662f\u4e3b\u8981\u7684 Shell \u811a\u672c\u8c03\u8bd5\u9009\u9879\uff1a<\/p>\n
\n
-v<\/span>\uff08verbose \u7684\u7b80\u79f0\uff09 - \u544a\u8bc9 Shell \u8bfb\u53d6\u811a\u672c\u65f6\u663e\u793a\u6240\u6709\u884c\uff0c\u6fc0\u6d3b\u8be6\u7ec6\u6a21\u5f0f\u3002<\/li>\n
-n<\/span>\uff08noexec \u6216 no ecxecution \u7b80\u79f0\uff09 - \u6307\u793a Shell \u8bfb\u53d6\u6240\u6709\u547d\u4ee4\u7136\u800c\u4e0d\u6267\u884c\u5b83\u4eec\uff0c\u8fd9\u4e2a\u9009\u9879\u6fc0\u6d3b\u8bed\u6cd5\u68c0\u67e5\u6a21\u5f0f\u3002<\/li>\n
-x<\/span>\uff08xtrace \u6216 execution trace \u7b80\u79f0\uff09 - \u544a\u8bc9 Shell \u5728\u7ec8\u7aef\u663e\u793a\u6240\u6709\u6267\u884c\u7684\u547d\u4ee4\u548c\u5b83\u4eec\u7684\u53c2\u6570\u3002 \u8fd9\u4e2a\u9009\u9879\u662f\u542f\u7528 Shell \u8ddf\u8e2a\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n
1\u3001 \u6539\u53d8 Shell \u811a\u672c\u9996\u884c<\/strong><\/span><\/div>\n
\u7b2c\u4e00\u4e2a\u673a\u5236\u662f\u6539\u53d8 Shell \u811a\u672c\u9996\u884c\uff0c\u5982\u4e0b\uff0c\u8fd9\u4f1a\u542f\u52a8\u811a\u672c\u8c03\u8bd5\u3002<\/p>\n
#!\/bin\/sh \u9009\u9879\r\n<\/pre>\n
\u5176\u4e2d\uff0c \u9009\u9879\u53ef\u4ee5\u662f\u4e0a\u9762\u63d0\u5230\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u8c03\u8bd5\u9009\u9879\u3002<\/p>\n
2\u3001 \u8c03\u7528 Shell \u8c03\u8bd5\u9009\u9879<\/strong><\/span><\/div>\n
\u7b2c\u4e8c\u4e2a\u662f\u4f7f\u7528\u5982\u4e0b\u8c03\u8bd5\u9009\u9879\u542f\u52a8 Shell\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u4e5f\u4f1a\u6253\u5f00\u6574\u4e2a\u811a\u672c\u8c03\u8bd5\u3002<\/p>\n
$ shell \u9009\u9879 \u53c2\u65701 ... \u53c2\u6570N\r\n<\/pre>\n
\u793a\u4f8b\uff1a<\/p>\n
$ \/bin\/bash \u9009\u9879 \u53c2\u65701 ... \u53c2\u6570N\r\n<\/pre>\n
3\u3001 \u4f7f\u7528 Shell \u5185\u7f6e\u547d\u4ee4 set<\/strong><\/span><\/div>\n
\u7b2c\u4e09\u4e2a\u65b9\u6cd5\u662f\u4f7f\u7528\u5185\u7f6e\u547d\u4ee4set<\/span> \u53bb\u8c03\u8bd5\u4e00\u4e2a\u7ed9\u5b9a\u7684 Shell \u811a\u672c\u90e8\u5206\uff0c\u5982\u4e00\u4e2a\u51fd\u6570\u3002\u8fd9\u4e2a\u673a\u5236\u662f\u91cd\u8981\u7684\uff0c\u56e0\u4e3a\u5b83\u8ba9\u6211\u4eec\u53ef\u4ee5\u53bb\u8c03\u8bd5\u4efb\u4f55\u4e00\u6bb5 Shell \u811a\u672c\u3002<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u5982\u4e0b\u4f7f\u7528 set<\/span>\u547d\u4ee4\u6253\u5f00\u8c03\u8bd5\u6a21\u5f0f\uff0c\u5176\u4e2d\u9009\u9879\u662f\u4e4b\u524d\u63d0\u5230\u7684\u6240\u6709\u8c03\u8bd5\u9009\u9879\u3002<\/p>\n
$ set \u9009\u9879 \r\n<\/pre>\n
\u542f\u7528\u8c03\u8bd5\u6a21\u5f0f\uff1a<\/p>\n
$ set -\u9009\u9879\r\n<\/pre>\n
\u7981\u7528\u8c03\u8bd5\u6a21\u5f0f\uff1a<\/p>\n
$ set +\u9009\u9879\r\n<\/pre>\n
\u6b64\u5916\uff0c\u5982\u679c\u6211\u4eec\u5728 Shell \u811a\u672c\u4e0d\u540c\u90e8\u5206\u542f\u7528\u4e86\u51e0\u4e2a\u8c03\u8bd5\u6a21\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u4e00\u6b21\u7981\u7528\u6240\u6709\u8c03\u8bd5\u6a21\u5f0f\uff0c\u5982\u4e0b\uff1a<\/p>\n
$ set -\r\n<\/pre>\n
\u5173\u4e8e\u542f\u7528 Shell \u811a\u672c\u8c03\u8bd5\u6a21\u5f0f\uff0c\u5148\u8bb2\u8fd9\u4e9b\u3002\u6b63\u5982\u6211\u4eec\u770b\u5230\u7684\uff0c\u6211\u4eec\u53ef\u4ee5\u8c03\u8bd5\u4e00\u6574\u4e2a Shell \u811a\u672c\u6216\u8005\u7279\u5b9a\u90e8\u5206\u811a\u672c\u3002<\/p>\n
\u5728\u6b64\u7cfb\u5217\u4e0b\u9762\u7684\u4e24\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u4f1a\u4e3e\u4f8b\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528 Shell \u811a\u672c\u8c03\u8bd5\u9009\u9879\uff0c\u8fdb\u4e00\u6b65\u4e86\u89e3\u8be6\u7ec6\u3001\u8bed\u6cd5\u68c0\u67e5\u3001\u8ddf\u8e2a\u8c03\u8bd5\u6a21\u5f0f\u3002<\/p>\n
\u66f4\u91cd\u8981\u7684\u662f\uff0c\u5173\u4e8e\u8fd9\u4e2a\u6307\u5357\uff0c\u6b22\u8fce\u901a\u8fc7\u4e0b\u9762\u8bc4\u8bba\u63d0\u51fa\u4efb\u4f55\u95ee\u9898\u6216\u53cd\u9988\u3002<\/p>\n
\n
\u539f\u6587\u6765\u81ea\uff1ahttps:\/\/linux.cn\/article-8028-1.html<\/a><\/p>\n
\u672c\u6587\u5730\u5740\uff1a http:\/\/lrxjmw.cn\/linux-shell-update.html<\/a>\u7f16\u8f91\u5458\uff1a\u51af\u742a\uff0c\u5ba1\u6838\u5458\uff1a\u9004\u589e\u5b9d<\/span><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"
\u811a\u672c\u662f\u5b58\u50a8\u5728\u4e00\u4e2a\u6587\u4ef6\u7684\u4e00\u7cfb\u5217\u547d\u4ee4\u3002\u5728\u7ec8\u7aef\u4e0a\u8f93\u5165\u4e00\u4e2a\u4e2a\u547d\u4ee4\uff0c\u6309\u987a\u5e8f\u6267\u884c\u7684\u65b9\u6cd5\u592a\u5f31\u4e86\uff0c\u4f7f\u7528\u811a\u672c\uff0c\u7cfb\u7edf\u4e2d\u7684\u7528\u6237\u53ef\u4ee5\u5728\u4e00\u4e2a\u6587\u4ef6\u4e2d\u5b58\u50a8\u6240\u6709\u547d\u4ee4\uff0c\u53cd\u590d\u8c03\u7528\u8be5\u6587\u4ef6\u591a\u6b21\u91cd\u65b0\u6267\u884c\u547d\u4ee4\u3002<\/p>\n","protected":false},"author":63,"featured_media":43722,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-43709","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/43709","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/63"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=43709"}],"version-history":[{"count":10,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/43709\/revisions"}],"predecessor-version":[{"id":267053,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/43709\/revisions\/267053"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/43722"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=43709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=43709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=43709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}