[B! xargs] U1and0ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

U1and0 id:U1and0

xargsã«é–¢ã™ã‚‹U1and0ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (5)

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xargs ã‚’ä½¿ã£ã¦ã‚«ã‚¸ãƒ¥ã‚¢ãƒ«ã«ä¸¦åˆ—å‡¦ç† - ãŸã”ã‚‚ã‚Šã™ãƒ¡ãƒ¢
ã‚·ã‚§ãƒ«ã‹ã‚‰ã§ã‚‚é‡ã„å‡¦ç†ã¨ã„ã†ã®ã¯ã¡ã‚‡ã“ã¡ã‚‡ã“ã‚ã£ã¦ã€ä¾‹ãˆã°è¶…ãƒ‡ã‚«ã„ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ç§»å‹•ã—ã¦åœ§ç¸®ã—ãŸã‚Šã¨ã„ã†ãŠä»•äº‹ã¯ä¸–ç•Œä¸ã®ã‚ã‚‰ã‚†ã‚‹å ´æ‰€ã§æ¯Žæ—¥è¡Œã‚ã‚Œã¦ã„ãŸã‚Šã™ã‚‹ã€‚ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã‹ã‚‰ã§ã‚‚å¤§é‡ã®åœ§ç¸®æ¸ˆã¿ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ã„ã£ãºã‚“ã«å±•é–‹ã—ãŸã„ã€ã¨ã‹ã€‚ ã‚ã‚‹ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªä»¥ä¸‹ã«å˜åœ¨ã™ã‚‹ãŸãã•ã‚“ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’(åœ§ç¸®æ¸ˆã¿ã®ã‚‚ã®ã‚’é™¤ã„ã¦)å…¨éƒ¨ bzip2 åœ§ç¸®ã—ãŸã„ï¼ã¨æ€ã£ãŸã‚‰ã€ã¨ã‚Šã‚ãˆãšã•ãã£ã¨æ¬¡ã®ã‚ˆã†ã«ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã§å©ã‘ã°ã„ã„ã€‚ $ find . -not -name '*.bz2' | xargs bzip2 ã“ã‚Œã§ã€ã¾ã‚ãã‚“ãªã«å•é¡ŒãªãåŠ¹çŽ‡çš„ã«bzip2åœ§ç¸®ãŒã§ãã‚‹ã€‚ã ãŒã—ã‹ã—ã€‚ æœ€è¿‘ã¯è¤‡æ•°ã‚³ã‚¢ã®CPUãŒæ™®é€šã«è»¢ãŒã£ã¦ã‚‹ã—ã€ã‚ã¾ã¤ã•ãˆHyperThreadingãŒæœ‰åŠ¹ã«ãªã£ã¦ãŸã‚Šã—ã¦OSã‹ã‚‰è¦‹ãˆã‚‹è«–ç†CPUæ•°ãŒãƒãƒ³ãƒ‘ãªã„ã€‚æ™®é€šã«8ã¨ã‹ã‚ã‚‹ã€‚ãã®ä¸€æ–¹ã§è¤‡æ•°ã‚³ã‚¢ã‚’ä½¿ç”¨ã—ã¦ãã‚Œã‚‹ã‚³ãƒžãƒ³ãƒ‰ã¨ã„ã†ã®ã¯ã‚ã‚“ã¾ã‚Šãªãã¦
U1and0 2019/06/29
xargs -L å¼•æ•°ä¸Šé™ -P ã‚³ã‚¢æ•° ã¨ã—ã¦ä½¿ç”¨ã™ã‚‹ã€‚-P0ã§æœ€å¤§ã¾ã§ä½¿ã†ã¨OSå‹•ã‹ãªããªã£ã¡ã‚ƒã†ã‹ã‚‰é‡ã„å‡¦ç†ã«ã¯ä½¿ã‚ãªã„ã€‚ -LæŒ‡å®šã—ãªã„ã¨å¼•æ•°ãŒ5000ã¨ã‹1ä¸‡ã¨ã‹è¶Šãˆãªã„é™ã‚Šãƒ‘ãƒ©ãƒ¬ãƒ«ã«å®Ÿè¡Œã—ã¦ãã‚Œãªã„

xargs

parallel
ãƒªãƒ³ã‚¯
GNU parallel ã§ã‚³ãƒžãƒ³ãƒ‰ã‚’ä¸¦åˆ—å®Ÿè¡Œã™ã‚‹ - ãã‚Œãƒžã‚°ã§ï¼
ã‚³ãƒžãƒ³ãƒ‰ã‚’ä¸¦åˆ—å®Ÿè¡Œã—ãŸã„æ™‚ãŒã‚ã‚Šã¾ã™ã€‚ ãŸã¨ãˆã°ã€ãŸãã•ã‚“ã®ç”»åƒã‚’å¤‰æ›ã—ãŸã‚Šã€å‹•ç”»ã‚’å¤‰åŒ–ã—ãŸã‚Šãªã©ã‚¸ãƒ§ãƒ–ã‚’å¤§é‡ã«èµ·å‹•ã™ã‚‹ã“ã¨ã‚’ã—ãŸã„ã¨ã ã‚³ãƒžãƒ³ãƒ‰å®Ÿè¡Œä¸ã‚‚ãƒžãƒ«ãƒã‚³ã‚¢ã®CPUãŒä½™ã£ã¦ã¦ã‚‚ã£ãŸã„ãªãƒ¼ã£ã¦æ€ã„ã¾ã™ã€‚i7ãªã©ã¯ï¼”ã‚³ã‚¢ï¼’ã‚¹ãƒ¬ãƒƒãƒ‰ã®ï¼˜CPUæœ‰ã‚Šã¾ã™ã‹ã‚‰ãã€‚ ã¾ãŸruby ãªã©ã¯GIL ( global interpreter lock )ã§ä¸Šé™ã‚¹ãƒˆãƒƒãƒ—ãŒã‹ã‹ã£ã¦ãŸã‚Šã€‚ æ™®æ®µã¯ xargs ä¸¦åˆ—å®Ÿè¡Œã¯ xargs ã‚’ä½¿ã£ã¦ã¾ã™ã€‚ find | xargs -P0 GNU parallel ã¨ã„ã†ã‚‚ã®ã‚’è¦‹ã¤ã‘ãŸ GNU Parallel ã‚’ä½¿ã†ã¨ä¸¦åˆ—å®Ÿè¡ŒãŒå¯èƒ½ã«ãªã‚‹ã¨ã„ã†ã“ã¨ã‚’çŸ¥ã‚Šã¾ã—ãŸã€‚ æ—©é€Ÿã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« brew install parallel sudo apt install parallel prallel ã®ç‰¹å¾´ ä¸¦åˆ—å®Ÿè¡Œã—ãŸã„ã‚³ãƒžãƒ³ãƒ‰ã¨ä¸¦åˆ—å®Ÿè¡Œã—ãŸã„ãƒ•ã‚¡ã‚¤ãƒ«ã‚’å¼•æ•°ã‚’æŒ‡å®šã™ã‚‹ã€‚
U1and0 2019/06/29
ã‚³ãƒžãƒ³ãƒ‰ã«ã‚ˆã£ã¦ã¯parallelã‚ˆã‚Šã‚‚xargsã®æ–¹ãŒæ—©ã„ï¼ˆã—ä½¿ã„ã‚„ã™ã„ã—ãªã‚“ã¨ã„ã£ã¦ã‚‚ã©ã“ã«ã§ã‚‚ã‚ã‚‹ï¼‰

xargs

parallel
ãƒªãƒ³ã‚¯
xargsã‚³ãƒžãƒ³ãƒ‰ã§è¦šãˆã¦ãŠããŸã„ä½¿ã„æ–¹ãƒ»çµ„ã¿åˆã‚ã›7å€‹(+1å€‹) | ä¿ºçš„å‚™å¿˜éŒ² ã€œãªã‚“ã‹ã„ã‚ã„ã‚ã€œ
Linuxã‚„UNIXã§ã€ã‚³ãƒžãƒ³ãƒ‰ã¡ã‚‡ã£ã¨çµ„ã¿åˆã‚ã›ã¦åˆ©ç”¨ã™ã‚‹éš›ã€éžå¸¸ã«å½¹ã«ç«‹ã¤xargsã‚³ãƒžãƒ³ãƒ‰ã€‚ ä»Šå›žã¯ã€ã“ã®xargsã‚³ãƒžãƒ³ãƒ‰ã§è¦šãˆã¦ãŠããŸã„ä½¿ã„æ–¹ãƒ»çµ„ã¿åˆã‚ã›ã«ã¤ã„ã¦ç´¹ä»‹ã™ã‚‹ã€‚ 1.åŸºæœ¬çš„ãªä½¿ã„æ–¹ ã¾ãšã€ãã‚‚ãã‚‚ã“ã®ã‚³ãƒžãƒ³ãƒ‰ã¯ã©ã†ã„ã†ä½¿ã„æ–¹ã‚’ã™ã‚‹ã®ã‹ã€‚ åŸºæœ¬çš„ã«ã¯ã€ä»¥ä¸‹ã®ã‚ˆã†ã«ãƒ‘ã‚¤ãƒ—ã§ã¤ãªãã“ã¨ã§å‰ã®ã‚³ãƒžãƒ³ãƒ‰(ã‚³ãƒžãƒ³ãƒ‰1)ã§å–å¾—ã—ãŸå€¤(æ¨™æº–å‡ºåŠ›)ã‚’åˆ©ç”¨ã—ã¦xargsã§æŒ‡å®šã—ãŸåˆ¥ã®ã‚³ãƒžãƒ³ãƒ‰(ã‚³ãƒžãƒ³ãƒ‰2)ã«å¼•æ•°ã¨ã—ã¦æ¸¡ã—ã¦å®Ÿè¡Œã•ã›ã‚‹äº‹ãŒã§ãã‚‹ã‚³ãƒžãƒ³ãƒ‰ã ã€‚ ã‚³ãƒžãƒ³ãƒ‰1 | xargs ã‚³ãƒžãƒ³ãƒ‰2 [root@test-centos7 ~]# find /work -type f /work/test2.txt /work/test.txt /work/aaaaa.txt /work/bbbbb.txt /work/ccccc.txt /work/ddddd.txt /work/sample
U1and0 2017/08/26
xargs

linux
ãƒªãƒ³ã‚¯
ã¯ã¦ãªãƒ–ãƒã‚° | ç„¡æ–™ãƒ–ãƒã‚°ã‚’ä½œæˆã—ã‚ˆã†
æ—¥è¨˜_2024.8.29 éžé¦¬ã¨è²´èˆ¹ 29æ—¥ã¯éžé¦¬ã¨è²´èˆ¹ã«è¡Œã£ã¦ãã¾ã—ãŸã€‚ã“ã‚“ãªå¤©æ°—ã§ãƒã‚¤ã‚¯ã¯ç„¡ç†ã€ã§ã‚‚å¼•ãã“ã‚‚ã‚‹ã®ã‚‚å«Œãªã®ã§å‰ã€…ã‹ã‚‰è¡ŒããŸã‹ã£ãŸéžé¦¬ã¨è²´èˆ¹ã«è¡Œãã“ã¨ã«ã—ã¾ã—ãŸã€‚ãŸã ã€ã„ã¤å¤§é›¨ãŒé™ã£ã¦ã‚‚å…¨ããŠã‹ã—ããªã„ã®ã§å¤©æ°—ãŒãƒ¤ãƒãã†ãªã‚‰å¸°ã‚‹ã“ã¨ã«ã—ã¾ã™ã€‚æ™®é€šã«æ—¥å¸°ã‚Šã§ãã‚‹è·é›¢ã§ã™ã‹ã‚‰â€¦
U1and0 2017/05/09
$ find . -name *.sublime-project | xargs -i mv {} ~/SublimeText3/Packages/User/Projects/

xargs

find

mv

Shell

Linux

shellscript
ãƒªãƒ³ã‚¯
lessã§è¤‡æ•°ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’é †ç•ªã«ãªãŒã‚ã‚‹ - ãŸã¾ã‚ã‚‚(tech)
ls -1 path/to/file | xargs less # :n (next) / :p (prev) ã§ãƒ•ã‚¡ã‚¤ãƒ«ã‚’è¡Œãæ¥ã§ãã‚‹Macã«æ¨™æº–ã§å…¥ã£ã¦ã‚‹xargsã¯-iã¨ã‹{}ã¨ã‹ã¤ã‘ãªãã¦ã‚ˆã„ã‹ã‚“ã˜ã€‚ ã»ã‚“ã¨ã¯head / tailã—ãŸã¨ãã¿ãŸã„ã« ==> path/to/file/1 <== xxxxx... ==> path/to/file/2 <== xxxxx...ãƒ•ã‚¡ã‚¤ãƒ«åã¨ä¸èº«ã‚’ä¸¦ã¹ã¦lessã§ã¤ã‚‰ã¤ã‚‰è¦‹ãŸã‹ã£ãŸã®ã ã‘ã©ã€ã§ããªã„ã®ã‹ãªâ€¦
U1and0 2016/12/04
â€œ# :n (next) / :p (prev) ã§ãƒ•ã‚¡ã‚¤ãƒ«ã‚’è¡Œãæ¥ã§ãã‚‹â€

shell

ls

xargs

less
ãƒªãƒ³ã‚¯
1