[B! awk] jay777ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

jay777 id:jay777

awkã«é–¢ã™ã‚‹jay777ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (9)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

ã‚·ã‚§ãƒ«ã‚³ãƒžãƒ³ãƒ‰ã‚’ä½¿ã£ãŸå‡¦ç†ã®åŠ¹çŽ‡åŒ–ã¯ã€€AWKã®è¡Œï¼ˆãƒ¬ã‚³ãƒ¼ãƒ‰ï¼‰æ“ä½œãŒã‚«ã‚®ã‚’ã«ãŽã‚‹
ç·¨æ³¨1ï¼šã€Œã‚·ã‚§ãƒ«èŠ¸ã€ã¨ã¯ã€UNIXã‚·ã‚§ãƒ«ï¼ˆä¸»ã«bashï¼‰ã®ãƒ¯ãƒ³ãƒ©ã‚¤ãƒŠãƒ¼ã‚’é§†ä½¿ã—ã¦æ–‡å—åˆ—åŠ å·¥ã‚’è‡ªç”±è‡ªåœ¨ã«æ“ã‚‹ã“ã¨ã§ã™ã€‚ã¾ãŸã€ãã®ã‚ˆã†ãªèƒ½åŠ›ã‚’ã‚‚ã¤äººã‚’ã‚·ã‚§ãƒ«èŠ¸äººã¨å‘¼ã³ã¾ã™ã€‚ ã€Œè¡Œã€ï¼ã€Œãƒ¬ã‚³ãƒ¼ãƒ‰ã€ ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§AWKã¯ã€Œè¡Œã€ã‚’ã€Œãƒ¬ã‚³ãƒ¼ãƒ‰ã€ã¨ã„ã†ã‚‚ã®ã¨ã—ã¦æ‰±ã„ã¾ã™ã€‚æ£ã—ãã¯çµ„è¾¼å¤‰æ•°RS (Record Separater) ã§åŒºåˆ‡ã‚‰ã‚ŒãŸã‚‚ã®ã‚’ãƒ¬ã‚³ãƒ¼ãƒ‰ã¨å‘¼ã³ã¾ã™ãŒã€ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§ã¯ã€ã“ã®çµ„è¾¼å¤‰æ•°RSã¯æ”¹è¡Œã«ãªã‚‹ãŸã‚ã€è¡ŒãŒãƒ¬ã‚³ãƒ¼ãƒ‰ãã®ã‚‚ã®ã«ãªã‚Šã¾ã™ã€‚ã¾ãŸã€ã“ã®ãƒ¬ã‚³ãƒ¼ãƒ‰å˜ä½ã®åˆ†å‰²ã¯ã€ã‚¢ã‚¯ã‚·ãƒ§ãƒ³ã§ãƒ†ã‚ã‚¹ãƒˆãƒ•ã‚¡ã‚¤ãƒ«ã‚’èªã¿è¾¼ã‚€ã¨å¿…ãšè¡Œã‚ã‚Œã‚‹ã‚‚ã®ã¨ãªã£ã¦ã„ã‚‹ãŸã‚ã€ãƒ¦ãƒ¼ã‚¶ãƒ¼ãŒç‰¹åˆ¥ã«åˆ†å‰²å‡¦ç†ã‚’ã—ãªãã¦ã‚‚ãƒ¬ã‚³ãƒ¼ãƒ‰å˜ä½ã§æ‰±ã£ã¦ãã‚Œã‚‹ã€ã¨ã¦ã‚‚ä¾¿åˆ©ãªä»•çµ„ã¿ã§ã™ã€‚ ç‰¹æ®Šãªã‚‚ã®ã¨ã—ã¦ã€æ®µè½å˜ä½ã§èªã¿è¾¼ã‚€ãŸã‚ã«çµ„è¾¼å¤‰æ•°RSã«ç©ºæ–‡å—åˆ—ã‚’ä»£å…¥ã™ã‚‹ã‚‚ã®ã‚„ã€GNU AWKç·¨æ³¨2ã§ã¯ãƒ•ã‚¡ã‚¤ãƒ«å…¨ä½“ã‚’ã²ã¨ã¤ã®ãƒ¬ã‚³ãƒ¼ãƒ‰ã¨ã—ã¦èªã¿è¾¼ã‚€æ‰‹æ³•ã€çµ„è¾¼å¤‰æ•°
jay777 2014/05/29
awk
ãƒªãƒ³ã‚¯
AWK Users JP :: æ—¥æœ¬ã® AWK ãƒ¦ãƒ¼ã‚¶ã®ãŸã‚ã®ãƒãƒ–ã‚µã‚¤ãƒˆ
YAPC::Asia 2008 ã§ Michael Schwern ã¯ã€ŒSEO ã«æœ‰åŠ¹ãªç‹¬è‡ªãƒ‰ãƒ¡ã‚¤ãƒ³ã‚’å–ã£ã¦ã€ã‚‚ã£ã¨ Perl åˆå¿ƒè€…ãŒé›†ã¾ã‚Šã‚„ã™ã„ nice ãª Perl ã®æƒ…å ±ã‚’é›†ã‚ãŸã‚µã‚¤ãƒˆã‚’ä½œã‚Œ!ã€ã¨è¨€ã£ã¦ã„ãŸã®ã§ã€ã“ã“ã« AWK-users.jp ã‚’é–‹å§‹ã—ã¾ã™ã€‚ Perl Is unDead - Michael Schwern (Schwern) ã“ã‚Œã¯ awk ã‚‚åŒã˜ã§ã‚ã‚Šã€ã¡ã‚‡ã†ã© Perl-users.jp ã®ç™ºè¡¨ã®ã‚ã‚‹å‰æ—¥ã« Web ã‚µã‚¤ãƒˆã®å†æ§‹ç¯‰ã®è©±é¡Œã‚’ ML ã«å‡ºã—ãŸã¨ã“ã‚ã§ã—ãŸã€‚ å¾®å¦™ãªã‚¿ã‚¤ãƒŸãƒ³ã‚°ã ãªãã«æ›¸ãã¾ã—ãŸãŒã€Perl Is unDead - Michael Schwern (Schwern) ã®ä¸ã®è©±ã‚’ç§ãªã‚Šã« awk ã§ã‚‚é€šç”¨ã™ã‚‹ã‚ˆã†ã«ã¾ã¨ã‚ã‚‹ã¨ä»¥ä¸‹ã®ã‚ˆã†ã«ãªã‚‹ã¨æ€ã„ã¾ã™ã€‚(èžãå–ã‚Œã¦ã„ãªã„ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ãŒãƒ»ãƒ»ãƒ») ã‚ãŸã‹ã‚‚ã‚¾ãƒ³ãƒ“ãŒè„³ã¿ãã‚’æ¬²ã—ãŒã‚‹ã‚ˆã†ã«ã€
jay777 2013/09/01
awk
ãƒªãƒ³ã‚¯
ãƒ—ãƒã‚°ãƒ©ãƒ è¨€èªž awk Linux/Unixåˆ©ç”¨è€…å‘ã‘ä¸€è¡Œã‚³ãƒžãƒ³ãƒ‰
1è¡Œãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° awk ã§ãƒ‡ãƒ¼ã‚¿ã®å˜ç´”ãªãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆå¤‰æ›ã™ã‚‹ã“ã¨ã‚’ç›®çš„ã¨ã—ã¦ã„ã¾ã™ã€‚ ã¾ãšã€æ¬¡ã®ã‚ˆã†ãªãƒ‡ãƒ¼ã‚¿ï¼ˆ/tmp/a ã¨ã—ã¾ã™ï¼‰ã«å¯¾ã—ã¦ã€å‡¦ç†ã‚’è¡Œã†ã“ã¨ã‚’è€ƒãˆã¾ã™ã€‚ 1 2 3 4 -5 6 7 8 0 9 10 113 å…¥åŠ›è¡Œã®ç·æ•°ã‚’å°å—ã™ã‚‹ å…¥åŠ›è¡Œã®ç·æ•°ã‚’å‡ºåŠ›ã—ã¾ã™ï¼ˆä»–ã®æ–¹æ³• cat /tmp/a | wcï¼‰ã€‚ cat /tmp/a | awk 'END {print NR }' å®Ÿè¡Œçµæžœ 3 Nè¡Œç›®ã®å…¥åŠ›è¡Œã‚’å°å—ã™ã‚‹ 3è¡Œç›®ã®å…¥åŠ›è¡Œã‚’å‡ºåŠ›ã—ã¾ã™ï¼ˆä»–ã®æ–¹æ³• cat /tmp/a | head -3 | tail -1ï¼‰ã€‚ cat /tmp/a | awk 'NR==3' å®Ÿè¡Œçµæžœ 9 10 113 Nå€‹ã‚ˆã‚Šå¤šã„æ¬„ã‚’æŒã¤ã™ã¹ã¦ã®å…¥åŠ›è¡Œã‚’å°å—ã™ã‚‹ 1 è¡Œã«3 å€‹ä»¥ä¸Šã®ãƒ‡ãƒ¼ã‚¿ãŒè¨˜è¿°ã•ã‚Œã¦ã„ã‚‹è¡Œã‚’ã™ã¹ã¦å‡ºåŠ›ã™ã‚‹ã€‚ % cat /tmp/a | awk 'NF > 3 {print}'
jay777 2012/11/28
sed

awk
ãƒªãƒ³ã‚¯
ã‚¹ã‚¯ãƒªãƒ—ãƒˆè¨€èªžsedã€awk
ã‚·ã‚¹ãƒ†ãƒ ãƒ»ãƒ—ãƒã‚°ãƒ©ãƒ é›»åãƒ»æƒ…å ±å·¥å¦ç³» æ–°åŸŽ é– <[email protected]> ã“ã®ãƒšãƒ¼ã‚¸ã¯ã€æ¬¡ã® URL ã«ã‚ã‚Šã¾ã™ã€‚ http://www.hlla.is.tsukuba.ac.jp/~yas/coins/syspro-2001/2001-06-25 ã‚ã‚‹ã„ã¯ã€æ¬¡ã®ãƒšãƒ¼ã‚¸ã‹ã‚‰æ‰‹ç¹°ã£ã¦ã„ãã“ã¨ã‚‚ã§ãã¾ã™ã€‚ http://www.hlla.is.tsukuba.ac.jp/~yas/coins/ http://www.is.tsukuba.ac.jp/~yas/index-j.html â– ä»Šæ—¥ã®é‡è¦ãªè©± â– ã‚¹ã‚¯ãƒªãƒ—ãƒˆè¨€èªž â– ã‚¤ãƒ³ã‚¿ãƒ—ãƒªã‚¿ã¨ã‚¹ã‚¯ãƒªãƒ—ãƒˆ ã€Œ#!ã€ã®æ„å‘³ã®èª¬æ˜Žã€‚ â– ãƒ©ã‚¤ãƒ³ã‚¨ãƒ‡ã‚£ã‚¿ed ãƒ†ãƒ¬ã‚¿ã‚¤ãƒ—æ™‚ä»£ã®ãƒ©ã‚¤ãƒ³ã‚¨ãƒ‡ã‚£ã‚¿ã€‚ â– ã‚¹ãƒˆãƒªãƒ¼ãƒ ãƒ»ã‚¨ãƒ‡ã‚£ã‚¿ sed ãƒ‡ãƒ¼ã‚¿ã‚’ã€æ¨™æº–å…¥åŠ›ã€ã¾ãŸã¯ãƒ•ã‚¡ã‚¤ãƒ«ã‹ã‚‰èªã¿è¾¼ã¿ã€çµæžœã‚’æ¨™æº–å‡ºåŠ›ã«å‡ºã™ã€‚ % sed -e 'å‘½ä»¤1' -e 'å‘½ä»¤2
jay777 2012/11/28
sed

awk
ãƒªãƒ³ã‚¯
awk ã§ã‚‚ã“ã®ãã‚‰ã„ã¯ã§ãã‚‹ã‚ãª - æ—¥æœ¬ GNU AWK ãƒ¦ãƒ¼ã‚¶ãƒ¼ä¼š 0.2
æ–°ã—ããƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã‚’è¦šãˆãŸã„ã¨ãã«è¡Œã†ã¹ã10ã®ç·´ç¿’å•é¡Œ | IDEA*IDEA ã•ã¦ã€ã“ã‚Œã‚’ awk ã§ã‚„ã£ã¦ã¿ã¾ã—ãŸã€‚ ã—ã‹ã‚‚ã€gawk ã§ã¯ãªã nawk ã§ã‚„ã£ã¦ã„ã¾ã™ã€‚ ä¸‰å¤§è³¢è€…ã®å‰æ¥ã¯å‡„ã„ã§ã™ã€‚ ã„ã¤ã®é–“ã«ã‹è¨å• 1 ãŒå¤‰æ›´ã«ãªã£ã¦ã„ã¾ã™ãŒã€å¤‰æ›´å¾Œã®ã‚‚ã®ã¯ FizzBuzz ã¨åŒã˜ã§ã™ãã€‚ ãªã‚“ã‚‰ã‹ã®æ–‡å—åˆ—ã‚’ç„¡é™ã§è¡¨ç¤ºã™ã‚‹ ã“ã‚Œã¯ç„¡é™ãƒ«ãƒ¼ãƒ—ã®ç·´ç¿’ã§ã—ã‚‡ã†ã‹ã€‚å®Ÿéš›ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã§ã¯ç„¡é™ãƒ«ãƒ¼ãƒ—ã‚’ä½œã‚‹ã“ã¨ã¯å¤šããªã„ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ãŒã€ç„¡é™ãƒ«ãƒ¼ãƒ—ãŒä½œã‚Œã‚‹ã“ã¨ã¯è¨€èªžã¨ã—ã¦ã¯é‡è¦ã§ã™ã€‚ ãªãœãªã‚‰ã€ç„¡é™ã«å‹•ãç¶šã‘ã‚‹ã“ã¨ãŒã§ããªã‘ã‚Œã°ã€ãƒãƒ¥ãƒ¼ãƒªãƒ³ã‚°å®Œå…¨ã«ã¯ãªã‚Šã¾ã›ã‚“ã€‚ awk ã§ã¯ä»¥ä¸‹ã®ã‚ˆã†ã«æ›¸ãã“ã¨ãŒã§ãã¾ã™ã€‚ #! /usr/bin/nawk -f BEGIN { for (;;) { print "ä¿ºã£ã¦å¤©æ‰ï¼"; } } ãªã‚“ã‚‰ã‹ã®ã‚«ã‚¦ãƒ³ãƒˆã‚¢ãƒƒãƒ—ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã‚’1ã‹ã‚‰100ã¾ã§å‡ºã™ã‘ã©ã€
jay777 2012/01/16
awk
ãƒªãƒ³ã‚¯
awkæ´ä¸€æ—¥ã®åˆå¿ƒè€…ãŒèªžã‚‹awkç†è§£ã®ãƒã‚¤ãƒ³ãƒˆ - ã‚·ãƒªã‚³ãƒ³ã®è°·ã®ã‚¾ãƒ³ãƒ“
ä»Šã¾ã§ãƒ†ã‚ã‚¹ãƒˆå‡¦ç†ãªã©ã§ãƒ¯ãƒ³ãƒ©ã‚¤ãƒŠãƒ¼ã‚’ä½¿ã†ã¨ãã¯perlã‚’ä½¿ã£ã¦ã„ãŸï¼ŽPerlã‚’å…ˆã«è¦šãˆãŸèº«ã¨ã—ã¦ã¯awkã‚„sedã¯éŽåŽ»ã®ç”£ç‰©ã ã¨æ€ã„è¾¼ã‚“ã§ã„ãŸï¼Žawkã®æ–¹ãŒç°¡æ½”ã«æ›¸ã‘ã‚‹ã‚±ãƒ¼ã‚¹ã«å‡ºãã‚ã—ãŸã“ã¨ã‚’ãã£ã‹ã‘ã«awkã‚’å‹‰å¼·ã—ã¦ã¿ãŸã‚‰å˜ãªé£Ÿã‚ãšå«Œã„ã ã£ãŸã“ã¨ã«æ°—ãŒä»˜ã„ãŸã®ã§ãƒã‚¤ãƒ³ãƒˆã‚’ã¾ã¨ã‚ã¦ã¿ã‚‹ï¼Ž ãªãŠãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã¨ã—ã¦ã¯AWKã¨ã„ã†è¡¨è¨˜ãŒæ£ã—ã (Aho, Weinberger, Kernighanã®é æ–‡å—! ã¨ã„ã†ã“ã¨ã ã‘ã¯ä»¥å‰ã‹ã‚‰çŸ¥ã£ã¦ã„ãŸ)ï¼Œã‚ªãƒªã‚¸ãƒŠãƒ«å‡¦ç†ç³»ã®ã“ã¨ã‚’awkã¨å‘¼ã¶ã®ã ã‚ã†ã‘ã‚Œã©ï¼Œä»Šå›žã¯å‡¦ç†ç³»ã®é•ã„ã¯æ°—ã«ã—ãªã„ã®ã§awk, nawk, gawkã®é•ã„ã¯æ°—ã«ã—ãªã„ã“ã¨ã«ã—ãŸï¼Žã¦ã„ã†ã‹è©³ã—ãçŸ¥ã‚‰ãªã„ï¼Ž ã€Œawkã£ã¦ãªã‚“ãž?ã€ã¨ã„ã†æ–¹ãŒå¯¾è±¡èªè€…ï¼Žã‚¹ã‚¯ãƒªãƒ—ãƒˆè¨€èªžã¨æ£è¦è¡¨ç¾ã®åŸºç¤ŽçŸ¥è˜ãŒå°‘ã—ã§ã‚‚ã‚ã‚Œã°ï¼ŒãŸã¶ã‚“ã™ãã«ä½¿ãˆã‚‹ã‚ˆã†ã«ãªã‚‹ã¨æ€ã†ï¼Žawkã‚’ä¸€åº¦ã§ã‚‚ä½¿ã£ãŸã“ã¨ãŒã‚ã‚‹äººã«ã¯æ–°ã—ã„æƒ…
jay777 2012/01/10
ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

awk
ãƒªãƒ³ã‚¯
awk
awk ã®ä½¿ã„æ–¹ awk ã¨ã¯ awk ã¨ã¯ã€æ•°å€¤ã‚„æ–‡å—åˆ—ãŒè¦å‰‡æ£ã—ãä¸¦ã‚“ã§ã„ã‚‹ãƒ†ã‚ã‚¹ãƒˆãƒ•ã‚¡ã‚¤ãƒ«ã«å¯¾ã—ã¦ä»¥ä¸‹ã®æ“ä½œã‚’è¡Œã†ã®ã«é©ã—ãŸã‚³ãƒžãƒ³ãƒ‰(ã‚¹ã‚¯ãƒªãƒ—ãƒˆè¨€èªž)ã§ã‚ã‚‹ã€‚ ç·¨é›†(ä¸€éƒ¨åˆ†ã®å–ã‚Šå‡ºã—ã€ä¸¦ã¹æ›ãˆ) ç°¡å˜ãªæ•°å€¤ã®è¨ˆç®—(è¡¨è¨ˆç®—) ç°¡å˜ãªå‡¦ç†ãªã‚‰ã°ã€Cè¨€èªžã§ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ã™ã‚‹ã‚ˆã‚Šã‚‚ã€æ‰‹æ—©ãè¡Œãªã†ã“ã¨ãŒã§ãã‚‹ã®ã§ã€ è¦šãˆã¦ãŠãã¨ã„ã‚ã„ã‚ä¾¿åˆ©ã ã‚ã†ã€‚ ã¾ãŸã€æ–‡æ³•ã¯Cè¨€èªžã«ä¼¼ã¦ã„ã‚‹ã®ã§ã€Cè¨€èªžã‚’çŸ¥ã£ã¦ã„ã‚‹è€…ã«ã¯ç°¡å˜ã«è¦šãˆã‚‹ã“ã¨ãŒã§ãã‚‹ã€‚ Linuxã‚’å§‹ã‚UNIXã«ã¯æ¨™æº–ã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã•ã‚Œã¦ã„ã‚‹ãŒã€ DOS(WINDOWS)ã€Mac ç”¨ã®ã‚‚ã®ã‚‚ã‚ã‚‹ã€‚ awk ã®ç°¡å˜ãªä½¿ã„æ–¹ ãã®1 awk ã¯ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã§ã‚‚ã€Cè¨€èªžã®ã‚ˆã†ã«ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ãƒ•ã‚¡ã‚¤ãƒ«ã«æ›¸ã„ã¦ã‚‚å®Ÿè¡Œã§ãã‚‹ãŒã€ ã¾ãšã€ä¸€ç•ªç°¡å˜ãªã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã‹ã‚‰ã€å®Ÿè¡Œã™ã‚‹æ–¹æ³•ã‚’ã‚„ã£ã¦ã¿ã‚‹ã€‚ æœ€åˆã«ã‚‚æ›¸ã„ãŸé€šã‚Šã€awk ã¯ä½•ã‹ã®ãƒ‡ãƒ¼ã‚¿ã‚’å…ƒã«å‡¦ç†ã‚’é€²ã‚ã‚‹ã®ã§ã€ä¾‹
jay777 2011/05/07
awk

ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆ

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°
ãƒªãƒ³ã‚¯
AWKã®ã‚¹ã‚¹ãƒ¡ - ã‚¯ãƒƒã‚¯ãƒ‘ãƒƒãƒ‰é–‹ç™ºè€…ãƒ–ãƒã‚°
ã¯ã˜ã‚ã¾ã—ã¦ã€‚ã‚¤ãƒ³ãƒ•ãƒ©ãƒãƒ¼ãƒ ã®è…åŽŸã¨ã„ã„ã¾ã™ã€‚ ä»Šå¹´ã®7æœˆã«å…¥ç¤¾ã—ã¦ã‹ã‚‰ã€ã‚³ãƒ³ã‚½ãƒ¼ãƒ«ã¨ã«ã‚‰ã‚ã£ã“ã™ã‚‹æ¯Žæ—¥ã‚’éŽã”ã—ã¦ã„ã¾ã™ã€‚ã‚¯ãƒƒã‚¯ãƒ‘ãƒƒãƒ‰ã®ã‚ˆã†ã«ã‚¢ã‚¯ã‚»ã‚¹ã®å¤šã„ã‚µã‚¤ãƒˆã®ã‚µãƒ¼ãƒã‚’æ‰±ã†ã“ã¨ãŒä»Šã¾ã§ç„¡ã‹ã£ãŸã®ã§ã€ã„ã‚ã„ã‚ã¨å‹‰å¼·ã«ãªã‚‹ã“ã¨ãŒå¤šã„ã§ã™ã€‚ ã•ã¦ã€ã‚¤ãƒ³ãƒ•ãƒ©ãƒãƒ¼ãƒ ã§ã¯ã‚µãƒ¼ãƒã®çŠ¶æ³ã‚’ãƒ¢ãƒ‹ã‚¿ãƒªãƒ³ã‚°ã—ã¦ã€ã‚µãƒ¼ãƒã«å•é¡ŒãŒãªã„ã‹ã‚’å¸¸ã«æŠŠæ¡ã™ã‚‹ã‚ˆã†ã«ã—ã¦ã„ã¾ã™ã€‚ãã®ãŸã‚æ—¥å¸¸çš„ã«tailã§ãƒã‚°ã‚’è¿½ã„ã‹ã‘ã¦ã„ã‚‹ã®ã§ã™ãŒã€ãã‚“ãªã¨ãã¯AWKãŒéžå¸¸ã«ä¾¿åˆ©ãªã“ã¨ã«æ°—ä»˜ãã€æœ€è¿‘ã¯ã‹ãªã‚ŠAWKã«ãƒãƒžã£ã¦ã„ã¾ã™ã€‚ ä»Šå›žã¯çµ¶è³›ãƒžã‚¤ãƒ–ãƒ¼ãƒ ä¸ã®AWKã®æ´»ç”¨ä¾‹ã‚’ã”ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ãªãœAWKãªã®ã‹ï¼Ÿ æ®‹å¿µãªãŒã‚‰AWKã®çŸ¥ååº¦ã¯ã‚ã¾ã‚Šé«˜ããªã„ã‚ˆã†ã§ã€ç¤¾å†…ã§ã‚‚ã€ŒãªãœRubyã§ã‚„ã‚‰ãªã„ã®ã‹ï¼Ÿã€ã¨èžã‹ã‚Œã‚‹ã“ã¨ãŒã‚ã‚Šã¾ã—ãŸã€‚åƒ•ã‚‚å…¥ç¤¾ã™ã‚‹ã¾ã§ã¯cutã®ä»£ã‚ã‚Šãã‚‰ã„ã«ã—ã‹ä½¿ã£ã¦ã„ãªã‹ã£ãŸã®ã§ã™ãŒã€ã‚ã‚‹ã¨ããƒã‚°å‡ºåŠ›ã®æ•´å½¢ã«ä½¿ã£ã¦ä»¥æ¥ã€AW
jay777 2009/10/25
awk

Linux
ãƒªãƒ³ã‚¯
awk(gawk)ã«ã‚ˆã‚‹ãƒ†ã‚ã‚¹ãƒˆå‡¦ç†
awkã«ã‚ˆã‚‹ãƒ†ã‚ã‚¹ãƒˆå‡¦ç† [ãƒ†ã‚ã‚¹ãƒˆå‡¦ç†ã®ãŠæ‰‹ä¼ã„] ã¸ [perlã«ã‚ˆã‚‹ãƒ†ã‚ã‚¹ãƒˆå‡¦ç†] ã¸ [ä¾¿åˆ©ãªãƒ„ãƒ¼ãƒ«] ã¸ ã¯ã˜ã‚ã« awkã‚’ä½¿ã†ã¨ã€ãƒ†ã‚ã‚¹ãƒˆãƒ•ã‚¡ã‚¤ãƒ«ã‚’åŠ å·¥ã—ãŸã‚Šã€ãƒ†ã‚ã‚¹ãƒˆãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‹ã‚‰ å¿…è¦ãªãƒ‡ãƒ¼ã‚¿ã‚’å–ã‚Šå‡ºã—ãŸã‚Šã™ã‚‹ã“ã¨ãŒç°¡å˜ã«ã§ãã¾ã™ã€‚ ã“ã“ã§ã¯ã€ç°¡å˜ã‹ã¤å¿œç”¨æ€§ã®ã‚ã‚‹awkã®å°ã•ãã¦å®Ÿç”¨çš„ãª ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ æ³¨æ„ awkã®æ–‡æ³•è§£èª¬ã‚„è¨€èªžè¦ç´„ãªã©ã¯å°‚é–€æ›¸ã‚„ ã“ã“ ã‚’å‚ç…§ã—ã¦ãã ã•ã„ã€‚ã§ã‚‚awkã¯éžå¸¸ã«ç°¡å˜ãªè¨€èªžãªã®ã§ã€ ã‚½ãƒ¼ã‚¹ã‚’è¦‹ãªãŒã‚‰å‹•ã‹ã™ã ã‘ã§ã‚ã‹ã£ã¦ãã‚‹ã“ã¨ãŒ å¤šã„ã¨æ€ã„ã¾ã™ã€‚ å„ãƒ—ãƒã‚°ãƒ©ãƒ ã«ç°¡å˜ãªè§£èª¬ã‚‚ã¤ã‘ã¦ãŠãã¾ã™ã€‚ å®Ÿè¡Œç’°å¢ƒ(ã©ã‚“ãªãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã¨ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ãŒå¿…è¦ã‹)ã«ã¤ã„ã¦ã¯ã“ã¡ã‚‰ã‚’å‚ç…§ã—ã¦ãã ã•ã„ã€‚ ã“ã®ã‚µã‚¤ãƒˆã§ç´¹ä»‹ã—ã¦ã„ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒ ã¯å®Ÿã¯ã‚ã¾ã‚Šawkã‚‰ã—ã ã‚ã‚Šã¾ã›ã‚“ã€‚ãƒ‘ã‚¿ãƒ¼ãƒ³ã‚‚å¤šç”¨ã—ã¦ã„ã¾ã›ã‚“ã—ã€ æ£è¦è¡¨ç¾ã‚„é€£æƒ³é…åˆ—ã®åˆ©ç”¨ã‚‚æœ€å°é™ã«æ¢ã‚ã¦ã„ã¾
jay777 2009/10/07
awk

ãƒ†ã‚ã‚¹ãƒˆå‡¦ç†
ãƒªãƒ³ã‚¯
1