{"id":929,"date":"2012-12-06T17:25:34","date_gmt":"2012-12-06T08:25:34","guid":{"rendered":"http:\/\/www.techscore.com\/blog\/?p=929"},"modified":"2018-11-14T16:33:58","modified_gmt":"2018-11-14T07:33:58","slug":"grep-awk-sed-%e3%81%a7%e3%83%90%e3%83%83%e3%83%95%e3%82%a1%e3%81%97%e3%81%aa%e3%81%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2012\/12\/06\/grep-awk-sed-%e3%81%a7%e3%83%90%e3%83%83%e3%83%95%e3%82%a1%e3%81%97%e3%81%aa%e3%81%84%e6%96%b9%e6%b3%95\/","title":{"rendered":"grep, awk, sed \u3067\u30d0\u30c3\u30d5\u30a1\u3057\u306a\u3044\u65b9\u6cd5"},"content":{"rendered":"

\u3053\u3093\u306b\u3061\u306f\u3001TechscoreBlog\u306e\u30ed\u30b0\u95b2\u89a7\u304c\u65e5\u8ab2\u306b\u306a\u3063\u3066\u3044\u308b\u6cb3\u91ce\u3067\u3059\u3002<\/p>\n

\u30ed\u30b0\u3092tail\u3067\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u898b\u3066\u3044\u308b\u3068\u304d\u306b\u3001grep, awk, sed\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3068\u3053\u308d\u304c\u3001\u7279\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3057\u306a\u3044\u3068\u3001\u5404\u30b3\u30de\u30f3\u30c9\u3067\u30d0\u30c3\u30d5\u30a1\u3055\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u30ed\u30b0\u306e\u8868\u793a\u304c\u9045\u5ef6\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5358\u306b\u30a2\u30af\u30bb\u30b9\u72b6\u6cc1\u3092\u773a\u3081\u3066\u3044\u308b\u3060\u3051\u306a\u3089\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3057\u3066\u308b\u6642\u3068\u304b\u6c17\u306b\u306a\u308a\u307e\u3059\u3088\u306d\u3002<\/p>\n

\u305d\u3093\u306a\u308f\u3051\u3067\u3001\u4eca\u56de\u306f\u30d0\u30c3\u30d5\u30a1\u3055\u305b\u306a\u3044\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n

grep : --line-buffered<\/h2>\n

grep\u3067\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u3002\u6b63\u78ba\u306b\u306f\u30d0\u30c3\u30d5\u30a1\u3055\u305b\u306a\u3044\u306e\u3067\u306f\u306a\u304f\u3066\u30011\u884c\u6bce\u306b\u51fa\u529b\u3059\u308b\u3068\u3044\u3046\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u3002<\/p>\n

tail -f logfile | grep --line-buffered -vE '\\.(css|js|ico|png|gif|jpe?g)'<\/pre>\n
awk : fflush<\/h2>\n
awk\u3067\u3001\u30d0\u30c3\u30d5\u30a1\u3092\u51fa\u529b\u3059\u308b\u3068\u3044\u3046\u95a2\u6570\u3067\u3059\u3002print\u306e\u5f8c\u306b\u3059\u3050\u547c\u3073\u51fa\u3059\u3088\u3046\u306b\u3059\u308c\u3070\u3001\u4f59\u8a08\u306a\u30d0\u30c3\u30d5\u30a1\u3092\u56de\u907f\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n
tail -f logfile | awk '{print $1, $4, $NF; fflush()}'<\/pre>\n
sed : --unbuffered, -u<\/h2>\n
sed\u3067\u30d0\u30c3\u30d5\u30a1\u3057\u306a\u3044\u3068\u3044\u3046\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u3002\u300c\u3061\u3087\u304f\u3061\u3087\u304f\u51fa\u529b\u30d0\u30c3\u30d5\u30a1\u30fc\u306b\u6383\u51fa\u300d\u3068\u30d8\u30eb\u30d7\u306b\u66f8\u3044\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n
tail -f logfile | sed -u -r -e 's@\"((GET)|(POST)) (.+) HTTP\/...\"@\\4@'<\/pre>\n
\u305d\u308c\u305e\u308ctail\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3060\u3051\u3060\u3068\u3042\u307e\u308a\u6c17\u306b\u306a\u3089\u306a\u3044\u3093\u3067\u3059\u304c\u3001pipe\u30673\u3064\u4ee5\u4e0a\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u30d0\u30c3\u30d5\u30a1\u3057\u3066\u308b\u5f71\u97ff\u304c\u3051\u3063\u3053\u3046\u51fa\u3066\u304d\u307e\u3059\u3002<\/p>\n
\u7121\u7406\u77e2\u7406\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001\u3053\u3093\u306a\u611f\u3058\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n
tail -f logfile | \\\r\ngrep --line-buffered -vE '\\.(css|js|ico|png|gif|jpe?g)' | \\\r\nawk '{print $1, $4, $7, $NF;fflush()}' | \\\r\nsed -u 's\/\\[\/\/'<\/pre>\n
\u3053\u308c\u3067\u3088\u308a\u826f\u3044\u30ed\u30b0\u76e3\u8996\u304c\u305f\u3076\u3093\u3067\u304d\u307e\u3059\u306d\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u3053\u3093\u306b\u3061\u306f\u3001TechscoreBlog\u306e\u30ed\u30b0\u95b2\u89a7\u304c\u65e5\u8ab2\u306b\u306a\u3063\u3066\u3044\u308b\u6cb3\u91ce\u3067\u3059\u3002<\/p>\n
\u30ed\u30b0\u3092tail\u3067\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u898b\u3066\u3044\u308b\u3068\u304d\u306b\u3001grep, awk, sed\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002
\u7d9a\u304d\u3092\u8aad\u3080...<\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[54,56,23,59,58],"_links":{"self":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/929"}],"collection":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/comments?post=929"}],"version-history":[{"count":1,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/929\/revisions"}],"predecessor-version":[{"id":18009,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/929\/revisions\/18009"}],"wp:attachment":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/media?parent=929"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/categories?post=929"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/tags?post=929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}