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seiunsky id:seiunsky

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seiunsky 2021/11/11
ã“ã‚Œã¯ã™ã”ã„

bash

shell
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Homebrewã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ©ãƒ¼ã‚’Rubyã‹ã‚‰Bashã«æ›¸ãç›´ã—ã¾ã—ãŸï¼ - ãƒ—ãƒã‚°ãƒ©ãƒ ãƒ¢ã‚°ãƒ¢ã‚°
ã¿ãªã•ã‚“ã¯Homebrewã‚’ãŠä½¿ã„ã§ã—ã‚‡ã†ã‹ã€‚macOSã‚’ãŠä½¿ã„ã®å¤šãã®é–‹ç™ºè€…ãŒä½¿ã£ã¦ã„ã‚‹ã¨æ€ã„ã¾ã™ã€‚ Homebrewã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ©ãƒ¼ã¯Rubyã§æ›¸ã‹ã‚Œã¦ãŠã‚Šã€æ¬¡ã®ã‚³ãƒžãƒ³ãƒ‰ã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ã‚ˆã†ã«ãªã£ã¦ã„ã¾ã—ãŸã€‚ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" HomebrewãŒRubyã«ä¾å˜ã—ã¦ã„ã‚‹ã“ã¨ã¯è‰¯ã„ã®ã§ã™ãŒ (formulaã®æ›¸ãã‚„ã™ã•ã¯Rubyãªã‚‰ã§ã¯)ã€ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ©ãƒ¼ã®è©±ã«ãªã‚‹ã¨äº‹æƒ…ãŒå¤‰ã‚ã£ã¦ãã¾ã™ã€‚Homebrewã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã‚³ãƒžãƒ³ãƒ‰ã¯macOSã®å·¥å ´å‡ºè·çŠ¶æ…‹ã§ã‚‚å‹•ãå¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ã“ã†ã„ã†ã‚‚ã®ã«Rubyã‚’ä½¿ã£ã¦ã„ã‚‹ã®ã¯ãƒªã‚¹ã‚¯ãŒã‚ã‚Šã¾ã™ã€‚ å°†æ¥çš„ã«macOSãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã«Rubyã‚„PythonãŒå«ã¾ã‚Œãªããªã‚‹ (å‚è€ƒãƒªãƒ³ã‚¯
seiunsky 2020/03/03
ã™ã”ã„

bash

install

homebrew
ãƒªãƒ³ã‚¯
ãƒ—ãƒã‚»ã‚¹ã®ãƒ©ãƒ³ã‚ãƒ¥ãƒ¼å¾…ã¡æ™‚é–“ã¨I/Oå¾…ã¡æ™‚é–“ã‚’èª¿ã¹ã‚‹ - ablog
cat file|awk ã§ã¯å®Ÿè¡Œæ™‚é–“ < CPUæ™‚é–“ã¨ãªã£ã¦ã„ã¾ã™ãŒã€cat ãŒ I/O wait ã—ã¦ã„ãªã„ã¨ã¯é™ã‚Šã¾ã›ã‚“ã€‚å®Ÿè¡Œæ™‚é–“ã¯å˜ç´”ã«çµ‚äº†æ™‚é–“ - é–‹å§‹æ™‚é–“ã§ç®—å‡ºã—ã¾ã™ãŒã€CPUæ™‚é–“ã¯ãƒ—ãƒã‚»ã‚¹ã®CPUæ™‚é–“ã‚’ getrusage ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã§å–å¾—ã—ã¾ã™ã€‚catã®ãƒ—ãƒã‚»ã‚¹ã¨ awk ã®ãƒ—ãƒã‚»ã‚¹ãŒä¸¦åˆ—å®Ÿè¡Œã•ã‚Œã¦ã„ã‚‹æœŸé–“ãŒã‚ã‚‹ãŸã‚ã€å®Ÿè¡Œæ™‚é–“ < CPUæ™‚é–“ã¨ãªã£ã¦ã„ã¾ã™ã€‚ä¾‹ãˆã°ã€CPUãƒã‚¦ãƒ³ãƒ‰ãª2ãƒ—ãƒã‚»ã‚¹ãŒã»ã¼å®Œå…¨ã«ä¸¦åˆ—å®Ÿè¡Œã•ã‚Œã‚‹ã¨ã€å®Ÿè¡Œæ™‚é–“ * 2 â‰’ CPUæ™‚é–“ ã¨ãªã£ãŸã‚Šã—ã¾ã™ã€‚ ï¼ˆä¸ç•¥ï¼‰ å¤§ããªãƒ†ã‚ã‚¹ãƒˆãƒ•ã‚¡ã‚¤ãƒ«ã‚’awkã§å‡¦ç†ã™ã‚‹ã¨ãã«catã§æŠ•ã’è¾¼ã‚€ã¨é€Ÿã„ç†ç”± - ablog ã¨æ›¸ãã¾ã—ãŸãŒã€ãƒ—ãƒã‚»ã‚¹ã® ãƒ©ãƒ³ã‚ãƒ¥ãƒ¼å¾…ã¡æ™‚é–“ã¯ /proc//sched ã®2åˆ—ç›®(sched_info.run_delay) I/Oå¾…ã¡æ™‚é–“ã¯ /proc//schedstat ã® se.stati
seiunsky 2016/08/08
awk

bash

performance
ãƒªãƒ³ã‚¯
bashãƒ‡ãƒãƒƒã‚°Tips - Qiita
#!/bin/bash : [DEBUG] set param readonly SCORE_ARRAY=(100 90 80 70) readonly COUNTS=${#SCORE_ARRAY[@]} function cal_score_ave() { local _score_sum=i : [DEBUG] cal for _score in ${SCORE_ARRAY[@]} do _score_sum=$((_score_sum + _score)) done score_ave=$((_score_sum / COUNTS)) return 0 } : [DEBUG] main cal_score_ave echo $score_ave echo $param echo "finished" exit 0 # bash -uvx cal_score_ave.sh #!/bin
seiunsky 2016/03/29
debug

bash
ãƒªãƒ³ã‚¯
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Bash ã§ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚’å‹‰å¼·ã—ã¦ã„ãã¨å‡ºä¼šã†ã®ãŒ : ï¼ˆã‚³ãƒãƒ³ï¼‰ã¨ã„ã†åå‰ã®çµ„ã¿è¾¼ã¿ã‚³ãƒžãƒ³ãƒ‰ã€‚ã“ã®ã‚³ãƒžãƒ³ãƒ‰ã¯ä½•ã‚‚ã—ãªã„ã‚³ãƒžãƒ³ãƒ‰ã§ã™ã€‚ ã“ã‚“ãªã‚³ãƒžãƒ³ãƒ‰ã®å˜åœ¨ã¯ä¸æ€è°ã ãªã¨æ€ã†åé¢ã€Cè¨€èªžã«ã‚‚ void ã¨ã„ã†åž‹ãŒã‚ã£ãŸã‚Šï¼ˆé–¢æ•°ã®ã‚ˆã†ãªå½¢ã§å˜åœ¨ã™ã‚‹ã®ã¯ JavaScript ã¨ã‹ã§ã™ãï¼‰ã€LaTeX ã«ã‚‚ \relax ãŒã‚ã£ãŸã‚Šã€ä½•ã‚‚ã—ãªã„å‘½ä»¤ã¨ã„ã†ã‚‚ã®ã¯æ©Ÿæ¢°èªžã® NOP ã‹ã‚‰ã‚ã‚‹æ™®é€šã®ã‚‚ã®ã§ã™ã€‚ ã“ã® Bash ã® : ã®ä½¿ã„é“ã«ã¤ã„ã¦ã¾ã¨ã‚ã¦ã¿ã¾ã—ãŸã€‚ ä½•ã‹æ›¸ã‹ãªã‘ã‚Œã°ãªã‚‰ãªã„ã¨ã“ã‚ã«ä»®ç½®ãã™ã‚‹ ä¾‹ãˆã°ã€Œã“ã“ã«åˆ¶å¾¡æ§‹é€ ã‚’ç½®ãã‚“ã ã‘ã©ã€ã“ã®ç¯€ã«å…¥ã‚‹ã‚‚ã®ã¯å¾Œã§æ›¸ãã‚“ã ã‘ã©ãªã€œã€ã¨ã„ã£ãŸå ´åˆã€åˆ¶å¾¡æ§‹é€ ã®ç¯€ã®ä¸ã«ä½•ã‚‚æ›¸ã‹ãªã„ã¨ Bash ã¯æ§‹æ–‡ã‚¨ãƒ©ãƒ¼ã¨ãªã‚Šã¾ã™ã€‚
seiunsky 2016/02/15
bash

linux
ãƒªãƒ³ã‚¯
ã‚¿ãƒ¼ãƒŸãƒŠãƒ«ã®ä½œæ¥ãŒæ—ã‚‹ã‹ã‚‚ãªå°æŠ€ï¼•ã¤ - Qiita
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seiunsky 2015/03/24
bash
ãƒªãƒ³ã‚¯
ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã§å¤–éƒ¨ã‚³ãƒžãƒ³ãƒ‰ã‚’åˆ©ç”¨ã™ã‚‹å ´åˆã®æ³¨æ„ç‚¹ Â· ã•ã‚ˆãªã‚‰ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆ
November 10, 2014 TL;DR ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã§backquoteã‚’è¦‹ã¤ã‘ãŸã‚‰ ã‚ªãƒ¼ãƒ«ãƒ‰ã‚¹ã‚¿ã‚¤ãƒ«ãŠã˜ã•ã‚“ã‚’æŽ¢ã—ã€çŸ¯æ£ã•ã›ã‚ˆã† GNU Bash-2.05 manual When the old-style backquote form of substitution is used, backslash retains its lit- eral meaning except when followed by $, `, or \. The first backquote not preceded by a backslash terminates the command substitution. When using the $(command) form, all characters between the parentheses make up the comm
seiunsky 2014/11/10
å®Œå…¨ã«ã‚ªãƒ¼ãƒ«ãƒ‰ã‚¹ã‚¿ã‚¤ãƒ«ã‚ªã‚¸ã‚µãƒ³ã ã£ãŸ

bash

command
ãƒªãƒ³ã‚¯
bash ã® read ã§ãƒãƒƒã‚¯ã‚¹ãƒ©ãƒƒã‚·ãƒ¥ã‚’ã‚¨ã‚¹ã‚±ãƒ¼ãƒ—æ–‡å—ã¨ã—ã¦æ‰±ã‚ãªã„ - ä»™å°ã®å±±å¥¥ã§è‡ªè»¢è»Šã«ä¹—ã£ãŸã‚Šè»¢ã‚“ã ã‚Š
ãƒ—ãƒã‚°ãƒ©ãƒ ã®æ¤œè¨¼ã§ã€ä½•åƒãƒ‘ã‚¿ãƒ¼ãƒ³ã‹ã®å¼•æ•°ã‚’ãƒªã‚¹ãƒˆã‚¢ãƒƒãƒ—ã—ãŸãƒ•ã‚¡ã‚¤ãƒ«ã‚’ã‚‚ã¨ã«ã€ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’é€æ¬¡å®Ÿè¡Œã—ã¦æ¤œè¨¼ã—ã¦ã„ãŸã‚‰ã€ãƒãƒƒã‚¯ã‚¹ãƒ©ãƒƒã‚·ãƒ¥ã‚’å«ã‚€ãƒ‘ã‚¿ãƒ¼ãƒ³ã ã‘å¤±æ•—ã—ã¦ã„ãŸã€‚ ã‚¤ãƒ¡ãƒ¼ã‚¸ $ cat pattern.txt | while read TEST; do ~/test_method "${TEST}"; done; å®Ÿè¡Œçµæžœã®å·®åˆ†ã‹ã‚‰ãƒ—ãƒã‚°ãƒ©ãƒ ã®å•é¡Œã ã¨æ€ã£ã¦ç¢ºèªã—ã¦ã„ãŸã‚‰ã€å®Ÿè¡Œæ™‚ç‚¹ã§ãƒãƒƒã‚¯ã‚¹ãƒ©ãƒƒã‚·ãƒ¥ãŒã‚¨ã‚¹ã‚±ãƒ¼ãƒ—æ–‡å—ã¨ã—ã¦è©•ä¾¡ã•ã‚Œã¦ã„ã‚‹ã®ãŒåŽŸå› ã§ã—ãŸâ€¦â€¦ã€‚ ã€Œ-rã€ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’ã¤ã‘ã¦ã€ãƒãƒƒã‚¯ã‚¹ãƒ©ãƒƒã‚·ãƒ¥ã‚’ã‚¨ã‚¹ã‚±ãƒ¼ãƒ—æ–‡å—ã¨ã—ã¦æ‰±ã‚ãªã„ã‚ˆã†ã«ã™ã‚‹ã ã‘ã§è§£æ±ºã—ã¾ã—ãŸã€‚ $ cat pattern.txt | while read -r TEST; do ~/test_method "${TEST}"; done;
seiunsky 2013/07/03
test

bash
ãƒªãƒ³ã‚¯
ã‚¯ãƒã‚¹é›†è¨ˆã‚’Bash(ã¨awk)ã ã‘ã§å®Ÿè£…ã—ãŸè©±
OSCãƒ»ã‚·ã‚§ãƒ«ã®ãƒ—ãƒãŒèªžã‚‹ã€Žmake ã‚’ä½¿ã£ãŸãƒ‡ãƒ¼ã‚¿å‡¦ç†ã€‚ã€ ã€make æ•™ã€‘ - OSC2015 Tokyo/Spring ç™ºè¡¨è³‡æ–™
seiunsky 2012/12/04
bash

linux

ãŠå½¹ç«‹ã¡
ãƒªãƒ³ã‚¯
IDEA * IDEA
ãƒ‰ãƒƒãƒˆã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ä»£è¡¨ã®ãƒ©ã‚¤ãƒ•ãƒãƒƒã‚¯ãƒ–ãƒã‚°
seiunsky 2012/12/01
fcã¨ã‹çŸ¥ã‚‰ã‚“ã‹ã£ãŸ!!

bash

linux
ãƒªãƒ³ã‚¯
bashã®æ£è¦è¡¨ç¾ãƒžãƒƒãƒãƒ³ã‚°ã®ä½¿ã„æ–¹ - adsaria mood
ã‚ã‚‹ãƒ•ãƒªãƒ¼ã‚¦ã‚§ã‚¢ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ç”¨bashãƒ—ãƒã‚°ãƒ©ãƒ ã‚’è¦‹ã¦ã„ãŸã‚‰æ¬¡ã®æ§˜ãªã‚‚ã®ãŒã‚ã£ãŸã€‚ï¼ˆä»¥ä¸‹ã®ä¾‹ã¯ç°¡ç•¥åŒ–ã—ã¦ã‚ã‚‹ã€‚ï¼‰ STRING="abc" if [[ "$STRING" =~ "^ab[cd]$" ]]; then echo "matched" else echo "unmatched" fi ifæ–‡ã®æ¡ä»¶è¡¨ç¾ã®ä¸ã«â€œ=~â€ã¨ã„ã†ã‚ªãƒšãƒ¬ãƒ¼ã‚¿ãŒã‚ã‚‹ã€‚manã‚’è¦‹ã‚‹ã¨ =~ ã‚ªãƒšãƒ¬ãƒ¼ã‚¿ã¯æ–‡å—åˆ—ã‚’æ£è¦è¡¨ç¾ã¨æ¯”è¼ƒã™ã‚‹ã¨ã‚ã‚‹ã€‚çŸ¥ã‚‰ãªã‹ã£ãŸã€‚bashã®æ–‡å—åˆ—æ¯”è¼ƒã§æ£è¦è¡¨ç¾ãŒä½¿ãˆã‚‹ã¨ã¯ã€‚ç§ã¯æ£è¦è¡¨ç¾æ¯”è¼ƒãŒå¿…è¦ãªæ™‚ã¯grepã«å–°ã‚ã›ã¦åˆ¤æ–ã—ã¦ã„ãŸã®ã ãŒã€ã“ã‚Œã‚’ä½¿ãˆã°ç°¡å˜ã«ã§ãã‚‹ã€‚ ã¨ã“ã‚ãŒã€ã ã€‚ä¸Šã®ãƒ—ãƒã‚°ãƒ©ãƒ ãŒæœŸå¾…é€šã‚Šã«å‹•ã‹ãªã„ã€‚ä¸Šã®ä¾‹ã§ã¯ =~ ã®å·¦è¾ºã¨å³è¾ºã®æ£è¦è¡¨ç¾ã¯ãƒžãƒƒãƒã™ã‚‹ã¯ãšã ãŒã€çµæžœã¯â€œunmatchedâ€ã€‚è‰²ã€…ã¨æ£è¦è¡¨ç¾ã‚’å¤‰ãˆã¦ã¿ãŸãŒã€ã©ã‚Œã¨ã—ã¦ãƒžãƒƒãƒãƒ³ã‚°ã—ãªã„ã€‚ã—ã‹ã—ã€ifæ–‡ã‚’æ¬¡ã®ã‚ˆã†ã«
seiunsky 2011/05/20
bash

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seiunsky 2010/10/13
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