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a_bicky 2019/04/30
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a_bicky 2018/02/12
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a_bicky 2013/04/15
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a_bicky 2013/03/10
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a_bicky 2012/03/01
bash

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bash ã®ãƒ“ãƒ«ãƒˆã‚¤ãƒ³ã‚³ãƒžãƒ³ãƒ‰ â€œlocalâ€ ã«ã¤ã„ã¦ - ã„ã¾ã¾ã§ã®ã“ã¨
å®Ÿé¨“ã®ã¾ã¨ã‚ã€‚ å‰ç½®ã bash ã§ã¯ç‰¹ã«æŒ‡å®šã—ãªã„é™ã‚Šã€ å¤‰æ•°ã¯å¸¸ã«ã‚°ãƒãƒ¼ãƒãƒ« ãªå¤‰æ•°ã¨ã—ã¦æ‰±ã‚ã‚Œã¦ã—ã¾ã„ã¾ã™ã€‚ #!/bin/bash function foo() { hoge="foo" } foo echo $hoge # foo ã¨å‡ºåŠ›ã•ã‚Œã‚‹ å¤‰æ•°ã‚’ã¤ãã‚‹ãŸã³ã«ã€ã‚°ãƒãƒ¼ãƒãƒ«ãªé ˜åŸŸã‚’æ±šæŸ“ã—ã¦ã„ãã®ã¯ã‚ˆã‚ã—ããªã„ã®ã§ã€ã“ã“ã§ã¯ã‚°ãƒãƒ¼ãƒãƒ«åŒ–ã®å¯¾ç–ã¨ã—ã¦ bash ã®ãƒ“ãƒ«ãƒˆã‚¤ãƒ³ã‚³ãƒžãƒ³ãƒ‰ local ã‚’ä½¿ç”¨ã—ã¾ã™ã€‚ #!/bin/bash function foo() { local hoge="foo" } foo echo $hoge # ç©ºå‡ºåŠ› ã“ã®ã‚ˆã†ã«ã€æ˜Žç¤ºçš„ã« local ã®å¤‰æ•°ã ã‚ˆãƒ¼ã£ã¦å®£è¨€ã—ã¦ã‚ã’ã‚‹ã¨ã€é–¢æ•°ã‚’ã§ãŸã¨ãã«ã¯å¿˜ã‚Œã‚‹ã€‚ãªã‚“ã ã‹é€†ãªæ°—ãŒã—ã¾ã™ãŒ...ã€‚ æœ¬é¡Œ bash ã§ã¯ for ãƒ«ãƒ¼ãƒ—ã«ä½¿ç”¨ã™ã‚‹å¤‰æ•° ã‚„ã€read ã§å—ã‘å–ã‚‹å¤‰æ•° ã‚‚ä»–ã®å¤‰æ•°ã¨åŒæ§˜ã«ã€ç‰¹ã«æŒ‡å®šã—
a_bicky 2012/02/14
bashã®localã«ã¤ã„ã¦

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Multiple variable assignments from command output in BASH Using date, read
It's quite easy to capture the output of a command and assign it in a shell's variable: day=$(date +%d) month=$(date +%m) But, what if we want to perform the same task with just one program invocation? Here comes the power of eval! date(1) outputs a string like "day=29; month=07; year=11" (notice the semicolons I added on purpose at date's custom output) which is a legal shell line. This like is t
a_bicky 2012/01/25
bash ã§ read day month year <<< $(date +'%d %m %y') ã¿ãŸã„ã«ã™ã‚‹ã¨åŒæ™‚ã«å¤‰æ•°ã‚’å®šç¾©ã§ãã‚‹ã¨ã‹é©šæ„•

unix

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GitHub - szermatt/emacs-bash-completion: Add programmable bash completion to Emacs shell-mode
a_bicky 2012/01/23
Emacsã®shellã®è£œå®Œã‚’ã‚«ã‚¹ã‚¿ãƒžã‚¤ã‚ºã§ãã‚‹

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bash-completionã§ç‹¬è‡ªã®è£œå®Œé–¢æ•°ã‚’ä½œæˆã™ã‚‹æ–¹æ³•ï¼ˆgistyã®ã‚µãƒ–ã‚³ãƒžãƒ³ãƒ‰ã‚’è£œå®Œã™ã‚‹ã‚„ã¤æ›¸ã„ã¦ã¿ãŸï¼‰ - ä»Šæ—¥ã‚‚ã‚¹ãƒŸãƒžã‚»ãƒ³ã€‚
æ³ã®ã›ã„ã‹æœ€è¿‘è¨˜æ†¶åŠ›ãŒè½ã¡ã¦ã‚‹ã®ã§è£œå®Œã«é ¼ã£ã¦ã¿ã‚‹ã“ã¨ã«ã—ãŸã€‚ ä»¥ä¸‹ã‚’è¡Œãªã†ã«ã¯bash-completionãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ãŒå¿…è¦ã§ã™ã€‚ macportsã ã¨ sudo port install bash-completionã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã•ã‚Œã‚‹ã¯ãšã€‚ ãƒãƒ¼ã‚¸ãƒ§ãƒ³ï¼‘ ã¨ã‚Šã‚ãˆãšã€ã‚µãƒ–ã‚³ãƒžãƒ³ãƒ‰ã‚’å…¨éƒ¨ç™»éŒ²ã—ã¦ã¿ã¾ã—ãŸç‰ˆ _gisty() { COMPREPLY=(list post private_post sync sync_delete pull_all about help) } complete -F _gisty gistyä¸Šè¨˜ã‚’/opt/local/etc/bash_completion.d/ã®é…ä¸‹ã«gistyã¨ã„ã†åå‰ã§ä¿å˜ ä»¥ä¸‹ã®ã‚ˆã†ã«è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã‚’èªã¿è¾¼ã¿ $ . /opt/local/etc/bash_completion"gisty "ã¨æ‰“ã£ã¦tabã‚’æŠ¼ã™ã¨ about li
a_bicky 2012/01/23
bashã®è£œå®Œæ©Ÿèƒ½ã®ã‚«ã‚¹ã‚¿ãƒžã‚¤ã‚ºæ–¹æ³•

bash
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Exit Codes With Special Meanings
Table E-1. Reserved Exit Codes Exit Code NumberMeaningExampleComments
a_bicky 2012/01/20
ä¸€èˆ¬çš„ãª exit status ã®æ„å‘³

bash

unix
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Advanced Bash-Scripting Guide
This tutorial assumes no previous knowledge of scripting or programming, yet progresses rapidly toward an intermediate/advanced level of instruction . . . all the while sneaking in little nuggets of UNIXÂ® wisdom and lore. It serves as a textbook, a manual for self-study, and as a reference and source of knowledge on shell scripting techniques. The exercises and heavily-commented examples invite ac
a_bicky 2012/01/20
bash
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BASH Programming - Introduction HOW-TO
by Mike G mikkey at dynamo.com.ar Thu Jul 27 09:36:18 ART 2000 This article intends to help you to start programming basic-intermediate shell scripts. It does not intend to be an advanced document (see the title). I am NOT an expert nor guru shell programmer. I decided to write this because I'll learn a lot and it might be useful to other people. Any feedback will be apreciated, specially in the p
a_bicky 2011/12/26
bash
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Stray Penguin - Linux Memo (BASH)
exp ã§ 1æ–‡å—ã‚’å¯¾è±¡ã«ã—ãŸã„ã®ã§ã‚ã‚Œã° ?([a-f]) ã®ã‚ˆã†ã«ã‚¯ãƒ©ã‚¹ã‚’ä½µç”¨ã™ã‚‹ã“ã¨ã‚‚å¯èƒ½ã€‚å¿…ãšã—ã‚‚ `|' ã‚’ä½¿ã‚ãªã‘ã‚Œã°ãªã‚‰ãªã„ã‚ã‘ã§ã¯ãªã„ã€‚ã¾ãŸã€æ£è¦è¡¨ç¾ã¯ ?(bash@(ref)) ã®ã‚ˆã†ã«å…¥ã‚Œåã«ã™ã‚‹ã“ã¨ã‚‚ã§ãã‚‹ã€‚ Bashã§æ£è¦è¡¨ç¾(2) ([[ =~ ]]ã‚ªãƒšãƒ¬ãƒ¼ã‚¿) äºŒé‡ã® `[[' ã‚’ä½¿ã„æ¯”è¼ƒæ¼”ç®—åã« `=~' ã‚’ä½¿ã†ã¨ã€å³è¾ºã¯æ‹¡å¼µæ£è¦è¡¨ç¾ã¨ã¿ãªã•ã‚Œã‚‹ã€‚å‰é …ã¨ã¯ç•°ãªã‚Šã“ã¡ã‚‰ã¯æœ¬ç‰©ã®æ£è¦è¡¨ç¾ã ã€‚é¢ç™½ã„ã®ã¯ã€ãƒžãƒƒãƒéƒ¨åˆ†ãŒ BASH_REMATCH ã¨ã„ã†é…åˆ—ã«ã‚¢ã‚µã‚¤ãƒ³ã•ã‚Œã‚‹ã¨ã„ã†ç‚¹ã€‚ VAR=$(LANG=C date +'%c') # VAR='Wed Dec 22 22:51:41 2010' DAYOFWEEK=Wed PATTERN='^'$DAYOFWEEK' ([[:alpha:]]{3}) [[:digit:]]{2} ([0-9:]+)' [[ $VA
a_bicky 2011/08/14
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UNIXã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆãƒ¡ãƒ¢(Hishidama's UNIX shell script Memo)
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a_bicky 2011/03/21
shell

bash

unix
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a_bicky 2010/08/23
bash
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