{"id":12176,"date":"2012-12-24T21:00:06","date_gmt":"2012-12-24T12:00:06","guid":{"rendered":"http:\/\/www.sssg.org\/blogs\/hiro345\/?p=12176"},"modified":"2013-01-03T09:47:38","modified_gmt":"2013-01-03T00:47:38","slug":"bash%e3%81%ae%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e3%81%bf%e3%82%88%e3%81%86","status":"publish","type":"post","link":"https:\/\/www.hiro345.net\/blogs\/hiro345\/archives\/12176.html","title":{"rendered":"bash\u306e$?\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046"},"content":{"rendered":"<p>bash\u3067\u30b3\u30de\u30f3\u30c9\u306e\u5b9f\u884c\u7d50\u679c\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\u3001$?\u3092\u4f7f\u3044\u307e\u3059\u3002<br \/>\n<!--more--><br \/>\n\u305f\u3068\u3048\u3070\u6b21\u306e\u3088\u3046\u306a\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u304c3\u3064\u3042\u308b\u3068\u3057\u307e\u3059\u3002\u300cERROR AAAA\u300d\u3092\u542b\u3080\u30ed\u30b0\u3060\u3051\u691c\u51fa\u3059\u308b\u305f\u3081\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"brush: bash; gutter: true\">\r\n$ cat log1.txt\r\nERROR AAAA\r\nERROR BBBB\r\n\r\n$ cat log2.txt\r\nERROR CCCC\r\nERROR BBBB\r\n\r\n$ cat log3.txt\r\nAAA\r\nBBB\r\nCCC\r\n<\/pre>\n<p>\u6b21\u306e\u3088\u3046\u306agrep-pipeline.sh\u3092\u7528\u610f\u3057\u307e\u3059\u3002grep\u30b3\u30de\u30f3\u30c9\u3092\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u3064\u306a\u3052\u3066\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002$?\u3092result\u5909\u6570\u3078\u4ee3\u5165\u3057\u3066\u3001echo\u3067result\u306e\u5024\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306e\u7d50\u679c\u304c\u3069\u3046\u306a\u3063\u305f\u304b\u3092\u308f\u304b\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; gutter: true\">\r\n$ cat grep-pipeline.sh \r\n#!\/bin\/sh\r\ngrep &quot;ERROR&quot; $1 | grep &quot;AAAA&quot;\r\nresult=$?\r\necho $result;\r\n<\/pre>\n<p>\u5404\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306e\u3046\u3061\u30d2\u30c3\u30c8\u3059\u308b\u306e\u306f\u3001log1.txt\u3060\u3051\u306e\u306f\u305a\u3067\u3059\u3002$?\u306e\u7d50\u679c\u304c\u3069\u306e\u3088\u3046\u306b\u306a\u308b\u304b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"brush: bash; gutter: true\">\r\n$ for i in 1 2 3; do echo &quot;$i----&quot;; .\/grep-pipeline.sh log${i}.txt; done\r\n1----\r\nERROR AAAA\r\n0\r\n2----\r\n1\r\n3----\r\n1\r\n<\/pre>\n<p>\u78ba\u304b\u306b\u3001\u300cERROR AAAA\u300d\u3092\u542b\u3080\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3060\u3051$?\u306e\u5024\u304c0\u3068\u306a\u3063\u3066\u5224\u5225\u304c\u3064\u304f\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>bash\u3067\u30b3\u30de\u30f3\u30c9\u306e\u5b9f\u884c\u7d50\u679c\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\u3001$?\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[56,1209],"class_list":["post-12176","post","type-post","status-publish","format-standard","hentry","category-linux","tag-bash","tag-linux"],"_links":{"self":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/12176","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/comments?post=12176"}],"version-history":[{"count":2,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/12176\/revisions"}],"predecessor-version":[{"id":12208,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/12176\/revisions\/12208"}],"wp:attachment":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/media?parent=12176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/categories?post=12176"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/tags?post=12176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}