{"id":439,"date":"2016-08-30T11:13:09","date_gmt":"2016-08-30T03:13:09","guid":{"rendered":"http:\/\/www.5x44.cn\/?p=439"},"modified":"2016-12-01T15:27:19","modified_gmt":"2016-12-01T07:27:19","slug":"%e8%a7%a3%e6%9e%90%e5%99%a8%e6%96%87%e4%bb%b6%ef%bc%88interpreter-files%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.5x44.cn\/?p=439","title":{"rendered":"\u89e3\u6790\u5668\u6587\u4ef6\uff08Interpreter Files\uff09"},"content":{"rendered":"

\u73b0\u5728\u6240\u6709\u7684UNIX\u7cfb\u7edf\u90fd\u652f\u6301\u89e3\u6790\u5668\u6587\u4ef6\u3002\u5b83\u662f\u5728\u6587\u672c\u6587\u4ef6\u6700\u5f00\u59cb\u7684\u4e00\u884c\uff0c\u5176\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n

#! pathname [optional-argument]<\/em><\/span><\/p>\n

\u5728\u53f9\u53f7\u548cpathname\u4e2d\u95f4\u7684\u7a7a\u683c\u662f\u53ef\u9009 \u7684\u3002\u7ecf\u5e38\u80fd\u770b\u5230\u7684\u5f62\u5f0f\u5982\u4e0b\uff1a<\/p>\n

#!\/bin\/sh<\/span><\/p>\n

pathname<\/em>\u662f\u7edd\u5bf9\u8def\u5f84\uff0c\u4e5f\u5c31\u662f\u8bf4\u6ca1\u4f7f\u7528PATH\u3002\u8bc6\u522b\u8fd9\u4e9b\u6587\u4ef6\u662f\u5728\u5185\u6838\u4e2d\u5b8c\u6210\u7684\uff0c\u505a\u4e3aexec<\/span>\u7cfb\u7edf\u8c03\u7528\u7684\u4e00\u90e8\u5206\u3002\u5b9e\u9645\u6587\u4ef6\u662f\u7531\u5185\u6838\u6267\u884c\u7684\uff0c\u800c\u4e0d\u662f\u89e3\u6790\u5668\u6587\u4ef6\uff0c\u4f46\u89e3\u6790\u5668\u6587\u4ef6\u8def\u5f84\u5728\u6587\u4ef6\u7684\u7b2c\u4e00\u884c\u6307\u5b9a\u3002<\/span><\/span><\/p>\n

\u6ce8\uff1a\u5982\u679cpathname<\/em>\u7684\u7a0b\u5e8f\u4e2d\u6709exec<\/span>\u51fd\u6570\uff0c\u90a3\u4e48exec<\/span>\u51fd\u6570\u7684\u53c2\u6570\u4f1a\u5411\u53f3\u79fb\u52a8\uff0c\u79fb\u52a8\u7684\u4f4d\u6570\u8981\u770b\u89e3\u6790\u5668\u6587\u4ef6\u90a3\u884c\uff0c\u6709\u51e0\u4e2a\u53c2\u6570\u3002<\/p>\n

\u89e3\u6790\u5668\u6587\u4ef6\u4e3a\u7528\u6237\u63d0\u9ad8\u4e86\u6548\u7387\uff0c\u4f46\u4ed8\u51fa\u4e86\u4e00\u4e9b\u5185\u6838\u65f6\u95f4\u4e3a\u4ee3\u4ef7\uff08\u56e0\u4e3a\u662f\u5728\u5185\u6838\u4e2d\u8bc6\u522b\u8fd9\u4e9b\u6587\u4ef6\uff09\u3002\u89e3\u6790\u5668\u6587\u4ef6\u7528\u4e8e\u4e0b\u9762\u7684\u539f\u56e0\uff1a<\/p>\n

    \n
  1. \u5728\u811a\u672c\u4e2d\u9690\u85cf\u4e86\u67d0\u4e9b\u5176\u5b83\u7a0b\u5e8f\u8bed\u8a00\u3002\u4f8b\u5982\uff1a
    \nawkexample optional-arguments
    \n<\/em>\u4ee3\u66ff\u4e86\u5b9e\u9645\u4f7f\u7528\u7684\u662fawk<\/span>\u811a\u672c
    \nawk -f awkexample optional-arguments<\/em><\/span><\/span><\/span><\/li>\n
  2. \u63d0\u9ad8\u4e86\u811a\u672c\u6548\u7387\u3002\u8003\u8651\u4e0b\u9762\u7684\u4f8b\u5b50\uff0c\u6211\u4eec\u4ecd\u7136\u9690\u85cf\u8be5\u7a0b\u5e8f\u505a\u4e3aawk<\/span>\u811a\u672c\uff0c\u5c01\u88c5\u5230\u4e00\u4e2ashell\u811a\u672c\u4e2d\uff1a\n
    awk 'BEGIN{\r\n    for ( i = 0; i< ARGC; i++)\r\n        printf \"ARGV[%d] = %s\\n\",\u00a0 i, ARGV[i]\r\n    exit\r\n}' $*<\/span><\/pre>\n
    \u8fd9\u4e2a\u7a0b\u5e8f\u7684\u95ee\u9898\u662f\u5f15\u53d1\u66f4\u591a\u7684\u8c03\u7528\u8bf7\u6c42\u3002\u9996\u5148\uff0c\u8bfb\u547d\u4ee4\u5e76\u4e14\u5c1d\u8bd5\u6709execlp<\/span>\u6253\u5f00\u6587\u4ef6\u540d\u3002\u56e0\u4e3ashell\u811a\u672c\u662f\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u4f46\u5e76\u4e0d\u662f\u53ef\u6267\u884c\u7684\u673a\u5668\u4ee3\u7801\uff0c\u4f1a\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\uff0c\u5e76\u4e14execlp<\/span>\u4f1a\u5047\u5b9a\u8fd9\u4e2a\u6587\u4ef6\u662f\u4e00\u4e2ashell\u811a\u672c\u3002\u7136\u540e\u7528\/bin\/sh<\/span>\u6267\u884c\u8be5\u811a\u672c\u3002shell\u53ef\u4ee5\u6b63\u786e\u6267\u884c\u8be5\u811a\u672c\uff0c\u4f46\u662f\u9700\u8981\u8fd0\u884cawk<\/span>\u7a0b\u5e8f\uff0cshell\u4f1a\u6267\u884c\u4e00\u4e2afork<\/span>, exec<\/span>\u548cwait<\/span>\u3002\u56e0\u6b64\u4f7f\u7528shell\u811a\u672c\u66ff\u6362\u89e3\u6790\u5668\u811a\u672c\u4f1a\u4ea7\u751f\u66f4\u591a\u7684\u4ee3\u4ef7\u3002<\/span><\/li>\n
  3. \u89e3\u6790\u5668\u811a\u672c\u8ba9\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u9664\u4e86\/bin\/sh<\/span>\u4e4b\u5916\u5176\u5b83\u7a0b\u5e8f\u7f16\u5199shell\u811a\u672c\u3002
    \n#!\/bin\/csh<\/span>
    \n\uff08\u8fd9\u662fC shell \u811a\u672c\uff09<\/span><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
    \u73b0\u5728\u6240\u6709\u7684UNIX\u7cfb\u7edf\u90fd\u652f\u6301\u89e3\u6790\u5668\u6587\u4ef6\u3002\u5b83\u662f\u5728\u6587\u672c\u6587\u4ef6\u6700\u5f00\u59cb\u7684\u4e00\u884c\uff0c\u5176\u683c\u5f0f\u5982\u4e0b\uff1a #! pathname [optional-argument] \u5728\u53f9\u53f7\u548cpat…<\/p>\n
     Read More  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-439","post","type-post","status-publish","format-standard","hentry","category-apue"],"_links":{"self":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/439","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=439"}],"version-history":[{"count":4,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/439\/revisions"}],"predecessor-version":[{"id":473,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/439\/revisions\/473"}],"wp:attachment":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}