[B! bash] Layzieã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

Layzie id:Layzie

bashã«é–¢ã™ã‚‹Layzieã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (59)

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rm -rfã—ã¡ã‚ƒã£ãŸã‘ã©ã©ã†ã™ã‚‹
rm -rf rem ains rm -rfã®å¾Œã«æ®‹ã‚Šã—ã‚‚ã® éŠã³ã®ãŸã‚ã«ã€ç†è€…ã¯æ–°ã—ã„Linuxã‚µãƒ¼ãƒãƒ¼ã‚’ç«‹ã¡ä¸Šã’ã¦ã€rootã§rm -rf /ã‚’å®Ÿè¡Œã—ã¦ã€ä½•ãŒæ®‹ã‚‹ã‹ã‚’ã¿ã¦ã¿ãŸã€‚ã©ã†ã‚„ã‚‰ã€ä»Šã®rmã¨ã„ã†ã®ã¯ç†è€…ã®ã‚ˆã†ãªã‚¢ãƒ›ã‚’ç›¸æ‰‹ã«ã—ãªã‘ã‚Œã°ãªã‚‰ãªã„æœªæ¥ã«ç”Ÿãã¦ã„ã‚‹ã‚ˆã†ãªã®ã§ã€å®Ÿéš›ã«å®Ÿè¡Œã™ã‚‹ã«ã¯ã€--no-preserve-rootã‚’ã¤ã‘ã‚‹å¿…è¦ãŒã‚ã£ãŸã€‚ # rm -rf --no-preserve-root / ã‹ã‹ã‚‹ãŠã‚ã‹ãªã‚‹è¡Œç‚ºã®å¾Œã§ã¯ã€ /bin/ls /bin/cat /bin/chmod /usr/bin/file ã®ã‚ˆã†ãªã€å‰å¤§ãªã‚‹ãƒ„ãƒ¼ãƒ«ã®ãŸãã„ã¯ã¿ãªæ¶ˆãˆå¤±ã›ã¦ã—ã¾ã£ãŸã€‚ã¾ã ã€sshæŽ¥ç¶šã¨bashã‚»ãƒƒã‚·ãƒ§ãƒ³ã¯ç”Ÿãã¦ã„ã‚‹ã¯ãšã ã€‚ã¤ã¾ã‚Šã€bashã®çµ„ã¿è¾¼ã¿ã‚³ãƒžãƒ³ãƒ‰ã§ã‚ã‚‹echoã¨ã‹ã¯æ®‹ã£ã¦ã„ã‚‹ã¨ã„ã†ã“ã¨ã ã€‚ Bashãƒžã‚¯ã‚¬ã‚¤ãƒãƒ¼ãŸã‚Œ root@rmrf:/# ls -bash: /
Layzie 2014/06/15
linux

ãƒã‚¿

bash
ãƒªãƒ³ã‚¯
è¶…é«˜é€Ÿbashã‚ªãƒšãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ï¼’ - Qiita
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Layzie 2013/12/10
bash

command

development
ãƒªãƒ³ã‚¯
GitHub - dominictarr/JSON.sh: a pipeable JSON parser written in Bash
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Layzie 2013/12/06
é ‘å¼µã£ã¦ã‚‹æ„Ÿ

json

bash

programming
ãƒªãƒ³ã‚¯
10 Useful Linux Bash_Completion Complete Command Examples (Bash Command Line Completion on Steroids)
10 Useful Linux Bash_Completion Complete Command Examples (Bash Command Line Completion on Steroids) In Linux, while typing a command if you press TAB twice, it would list all available commands that starts with typed characters. This is nothing new, probably you already know about this. This functionality is called bash completion. The basic file and directory name completion are available by def
Layzie 2013/12/04
development

command

bash
ãƒªãƒ³ã‚¯
bashã®ãƒ—ãƒã‚»ã‚¹ç½®æ›æ©Ÿèƒ½ã‚’æ´»ç”¨ã—ã¦ã€ã‚·ã‚§ãƒ«ä½œæ¥ã‚„ã‚¹ã‚¯ãƒªãƒ—ãƒˆæ›¸ãã‚’åŠ¹çŽ‡åŒ–ã™ã‚‹ - åŒå…å·¥å ´æ—¥èªŒ
@hirose31 ã•ã‚“ãŒã€Œã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã§ãƒãƒžã£ãŸä»¶â†’ã€å‹Ÿã€‘ã‚¹ãƒ†ã‚ãªå›žé¿æ–¹æ³•ã€ã§ãŠé¡Œã‚’å‡ºã•ã‚Œã¦ã„ã¦ã€ãã‚Œã«å›žç”ã—ã¦ã¿ã¾ã—ãŸã€‚ ãã®å†…å®¹ã¯ãƒªãƒ³ã‚¯å…ˆã‚’è¦‹ã¦ã‚‚ã‚‰ã†ã¨ã—ã¦ã€å›žç”ã®ä¸ã§ä½¿ã£ãŸbashã®ãƒ—ãƒã‚»ã‚¹ç½®æ›ã«ã¤ã„ã¦æ›¸ã‹ã‚ŒãŸè¨˜äº‹ã‚’ã‚ã¾ã‚Šè¦‹ãªã„ã®ã§ã€å›žç”ã§ä½¿ã£ãŸãƒ—ãƒã‚»ã‚¹ç½®æ›ã®ã“ã¨ã‚’ã‚¨ãƒ³ãƒˆãƒªã«ã—ã¦ã¿ãŸã„ã¨æ€ã„ã¾ã™ã€‚ æœ€åˆã«æ³¨æ„ç‚¹ã§ã™ãŒã€ãƒ—ãƒã‚»ã‚¹ç½®æ›ã®æ©Ÿèƒ½ã¯ã€bashã‚„zsh*1ã®æ©Ÿèƒ½ã§POSIXäº’æ›ã®æ©Ÿèƒ½ã§ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚ãã®ãŸã‚ã€ä½¿ç”¨æ™‚ã«ã¯ã€å¯¾å¿œã—ã¦ã„ãªã„ã‚·ã‚§ãƒ«ã§ã¯ä½¿ãˆã¾ã›ã‚“ã—ã€bashã§ä½¿ã†å ´åˆã‚‚ /bin/sh ã§ã¯ãªã /bin/bash ã‚’æ˜Žç¤ºçš„ã«æŒ‡å®šã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ãŸã¨ãˆã°ã€ãƒ—ãƒã‚»ã‚¹ç½®æ›ã‚’ä½¿ã£ãŸã‚¹ã‚¯ãƒªãƒ—ãƒˆã€Œscript.shã€ã«å¯¾ã—ã¦"$ bash script.sh" ã¨ã„ã†ã‚³ãƒžãƒ³ãƒ‰ã¯æˆåŠŸã—ã¾ã™ãŒã€"$ sh script.sh" ã¨ã„ã†ã‚³ãƒžãƒ³ãƒ‰ã¯å¤±æ•—ã—ã¾ã™ã€‚ã“ã®è¾ºã‚Šã®é•ã„ã¯ã€Œ/
Layzie 2013/08/16
shell

bash

development
ãƒªãƒ³ã‚¯
ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã®ãƒ‡ãƒãƒƒã‚°ã¯ typeset ã¾ãŸã¯ declare ã‚’ä½¿ã†ã¨è‰¯ã„ã‹ã‚‚ - ã‚ˆã‚“ã¡ã‚…Blog
ã¯ã˜ã‚ã« ã¤ã„æœ€è¿‘çŸ¥ã£ãŸä¾¿åˆ©ãªãƒ‡ãƒãƒƒã‚°æ–¹æ³• (é•·å¹´ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚’æ›¸ã„ã¦ã„ã‚‹ã®ã«çŸ¥ã‚‰ãªã‹ã£ãŸã€‚ã“ã‚ŒãŒå¸¸è˜ã ã£ãŸã‚‰æ¥ãšã‹ã—ã„â€¦) ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã®ãƒ‡ãƒãƒƒã‚°ã§ã¯ echo ã§å¤‰æ•°ã®ä¸èº«ã‚’è¦‹ã‚‹ã¨ã„ã†åŽŸå§‹çš„ãªæ–¹æ³•ã‚’ã‚ˆãä½¿ã†ã‹ã¨æ€ã„ã¾ã™ã€‚ ã„ã‚ã‚†ã‚‹ ãƒ—ãƒªãƒ³ãƒˆãƒ‡ãƒãƒƒã‚° ã¨ã„ã†ã‚„ã¤ã§ã™ãã€‚ ã‚‚ã†å°‘ã—è©³ã—ã„ãƒ‡ãƒãƒƒã‚°ãŒå¿…è¦ãªå ´åˆã¯ã€ set -x ã¨ set +x ã§ãƒ‡ãƒãƒƒã‚°ã—ãŸã„éƒ¨åˆ†ã‚’å›²ã‚€ã¨ã„ã†æ–¹æ³•ã‚‚ã‚ã‚Šã¾ã™ã€‚ ä»Šå›žã¯ ãƒ—ãƒªãƒ³ãƒˆãƒ‡ãƒãƒƒã‚° ã§ä½¿ã† echo ã®ä»£ã‚ã‚Šã« typeset or declare ã‚’ä½¿ã†ã¨è‰¯ã„ã¨ã„ã†ãŠè©±ã§ã™ã€‚ ãƒ—ãƒªãƒ³ãƒˆãƒ‡ãƒãƒƒã‚°ã¯ typeset or declare ã‚’ä½¿ãŠã† typeset or declare ã¯å¤‰æ•°å®£è¨€ãªã©ã§ã‚ˆãä½¿ã†ã‚³ãƒžãƒ³ãƒ‰ã§ã™ãŒã€å¤‰æ•°ã®ä¸èº«ã‚’è¦‹ã‚‹ã®ã«ã‚‚ä½¿ãˆã¾ã™ã€‚ echo ã¨æ¯”ã¹ã¦ä½•ãŒè‰¯ã„ã®ã‹ã¨ã„ã†ã¨ã€å¤‰æ•°ã®ä¸èº«ã¯ã‚‚ã¡ã‚ã‚“å¤‰æ•°åã‚„å¤‰æ•°ã®åž‹ã‚‚è¡¨ç¤ºã—ã¦ãã‚Œã€
Layzie 2013/07/10
zsh

bash

shell

programming
ãƒªãƒ³ã‚¯
Customize the Command Line by Adding Emoji Icons to the Bash Prompt
Customize the Command Line by Adding Emoji Icons to the Bash Prompt A very unique and amusing way to customize the bash prompt appearance is to add one of Mac OS Xâ€™s Emoji icons to transf orm the appearance of the prompt itself. This isnâ€™t going to be the most practical tweak in the world on itâ€™s own, but it is entertaining and because itâ€™s using traditional methods of customizing the bash prompt y
Layzie 2013/05/28
bash

terminal
ãƒªãƒ³ã‚¯
Writing a Shell Script From Scratch | Envato Tuts+
Writing shell scripts can be rather daunting, primarily because the shell isn't the most friendly of languages to use. However, I hope to show you in this tutorial that shell scripting is actually not as tough or as scary as you might expect. For this tutorial, we'll write a script that makes the process of using the Jasmine test framework a little bit easier. Actually, I wouldn't use this script
Layzie 2013/04/23
bash

programming
ãƒªãƒ³ã‚¯
ç§ã¿ãŸã„ãªãŠã£ã¡ã‚‡ã“ã¡ã‚‡ã„ã‚’è‡ªæ»…ã‹ã‚‰æ•‘ã£ã¦æ¥ãŸã¡ã‚‡ã„ã¨ã—ãŸå·¥å¤«x3+1 : 404 Blog Not Found
2013å¹´04æœˆ13æ—¥01:30 ã‚«ãƒ†ã‚´ãƒªTipsiTech ç§ã¿ãŸã„ãªãŠã£ã¡ã‚‡ã“ã¡ã‚‡ã„ã‚’è‡ªæ»…ã‹ã‚‰æ•‘ã£ã¦æ¥ãŸã¡ã‚‡ã„ã¨ã—ãŸå·¥å¤«x3+1 bashã‚¯ãƒƒã‚¯ãƒ–ãƒƒã‚¯ ãŽã‚ƒã‚ã‚ããã åƒ•ãŒMacã®ãƒ›ãƒ¼ãƒ ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’å‰Šé™¤ã™ã‚‹ã«è‡³ã£ãŸçµŒç·¯ã¨ã€å¾©å…ƒã™ã‚‹ã¾ã§ã®é“ã®ã‚Š | CreativeStyle å…·ä½“çš„ã«ä½•ã‚’ã—ãŸã®ã‹ã€‚ãã‚Œã¯ã€ä»¥ä¸‹ã®ã‚³ãƒžãƒ³ãƒ‰ã®å®Ÿè¡Œã§ã™ã€‚ $ rm -rf ~/ ã§ã‚‚ã“ã‚Œã€ã™ã”ã„ã‚„ã‚ŠãŒã¡ã€‚ ã‚„ã‚ŠãŒã¡ãªã®ã«ãªã‚“ã§ãã‚Œã‚ˆã‚ŠãŠã£ã¡ã‚‡ã“ã¡ã‚‡ã„ãªã¯ãšãªç§ãŒã‚‚ã†30å¹´è¿‘ãã‚‚ã®ã‚ã„ã é›£ã‚’é€ƒã‚Œã¦ã„ã‚‹ã‹ã‚’æŠ«éœ²ã—ã¦ãŠãã“ã¨ã«ã™ã‚‹ã€‚ ä»¥ä¸‹ã€ãã‚Œãžã‚Œtcshç‰ˆã¨bashç‰ˆã‚’ã€‚zshç‰ˆã¯ã©ãªãŸã‹ã‚ˆã‚ã—ãã€‚ alias ä¸Šè¨˜ã®ä¾‹ã¯ã€å®Ÿã¯ã“ã‚Œã ã‘ã§é˜²ãã“ã¨ãŒå‡ºæ¥ã¦ã„ãŸã€‚ tcsh alias rm 'rm -i' bash alias rm='rm -i' è¦ã™ã‚‹ã«ã€rmã¨æ‰“ã£ãŸã‚‰rm -iã‚’æ„å‘³ã™ã‚‹ã‚ˆã†ã«ã—ã¦ãŠãã‚ã‘ã
Layzie 2013/04/13
bash

command
ãƒªãƒ³ã‚¯
Bashã§ã‚³ãƒžãƒ³ãƒ‰ã®å˜åœ¨ãƒã‚§ãƒƒã‚¯ã¯whichã‚ˆã‚Šhashã®æ–¹ãŒè‰¯ã„ã‹ã‚‚â†’ã„ã‚„typeãŒæœ€å¼·â†’command -vã‚‚ - Qiita
ã‚³ãƒžãƒ³ãƒ‰ã®ãƒ‘ã‚¹ã‚’çŸ¥ã‚ŠãŸã„ã‚“ã˜ã‚ƒãªãã€ã‚³ãƒžãƒ³ãƒ‰ã®å˜åœ¨ã‚’ãƒã‚§ãƒƒã‚¯ã—ãŸã„ã ã‘ãªã‚‰whichã‚ˆã‚Šhashã‚’ä½¿ã£ãŸã»ã†ãŒè‰¯ã„ã‹ã‚‚ã£ã¦ã„ã†è©±ã€‚â†’è¿½è¨˜: typeãŒæœ€å¼·ã£ã½ã„ã€‚ è¿½è¨˜: command -vã‚‚è‰¯ã„ã€‚ãƒ—ãƒã‚°ãƒ©ãƒ ã®å˜åœ¨ãƒã‚§ãƒƒã‚¯orãƒ‘ã‚¹ã‚’æŽ¢ã—ãŸã„ã ã‘ãªã‚‰äº’æ›æ€§ã‚’è€ƒãˆã‚‹ã¨ä¸€ç•ªè‰¯ã„ã‹ã‚‚ã€‚ æ¯”è¼ƒã—ã¦ã¿ã‚‹ whichã‚ˆã‚Šhashã‚ˆã‚Štype=command -vãŒé«˜é€Ÿâ†’typeã¾ãŸã¯command -vã®å‹ã¡ whichã¯å®Ÿãƒ•ã‚¡ã‚¤ãƒ«ã¨ã„ã†å®Ÿä½“ãŒã‚ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒ ã§ã™ã€‚hashã¨typeã¯bashã®çµ„ã¿è¾¼ã¿ã‚³ãƒžãƒ³ãƒ‰ã§ã™ã€‚ãªã®ã§å½“ç„¶ã§ã™ãŒãƒ—ãƒã‚°ãƒ©ãƒ ã®èµ·å‹•ã‚³ã‚¹ãƒˆãŒãªã„åˆ†hashã‚„typeã®æ–¹ãŒé€Ÿã„ã§ã™ã€‚ $ time bash -c 'for((i=0;i<10000;i++));do which perl; done >/dev/null' real 0m7.739s user 0m2.928s sys 0m
Layzie 2013/04/06
ä½•ã“ã‚Œã€ã„ã£ã¤ã‚‚whichã§ã‚„ã£ã¦ãŸã‘ã©ã€typeè‰¯ã„ãªã€‚

command

bash

shell
ãƒªãƒ³ã‚¯
Bash Redirections Cheat Sheet
Hey guys! A few weeks ago I wrote an article called All About Bash Redirections. It explains all the possible bash redirections with illustrations. I thought it would be a great idea to make a cheat sheet that summarizes all these redirections. So I did. Here is the bash redirections cheat sheet: If you want to learn how each one of these redirections work, read my article All About Bash Redirecti
Layzie 2012/09/12
bash

development
ãƒªãƒ³ã‚¯
uu59ã®ãƒ¡ãƒ¢ | VCSã¨ITSã¨ãƒ†ã‚¹ãƒˆãŒãªã„é–‹ç™ºç’°å¢ƒã§æ£æ°—ã‚’ä¿ã¤ã«ã¯ Part 1 git ç·¨
Part 0 ãƒ—ãƒãƒãƒ¼ã‚° ã¾ãšãƒã‚¤ãƒˆåˆæ—¥ã€ã‚µãƒ¼ãƒã«å…¥ã‚Œã‚‹ã‚ˆã†ã«ãªã£ãŸã‚ã¨ã€scpã¨rsyncã‚’é©å½“ã«ä½¿ã£ã¦æŒ‡ç¤ºã•ã‚ŒãŸå¤‰æ›´ã«é–¢ä¿‚ã—ãã†ãªãƒ•ã‚¡ã‚¤ãƒ«ã‚’ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ã¾ã™ã€‚ã ã„ãŸã„æƒã£ãŸã‚‰git init; git add -A; git commit -m "ãƒ•ã‚¡ã‚¤ãƒ«å–ã£ã¦ããŸ(noedit)"ã§ã¨ã‚Šã‚ãˆãšã®ä½“åˆ¶ã¯æ§‹ç¯‰ã§ãã¾ã—ãŸã€‚ ã“ã“ã‹ã‚‰é–‹ç™ºã‚’é€²ã‚ã¦ã„ãã‚ã‘ã§ã™ãŒã€è‰²ã€…ã¨é›£é–¢ãŒã‚ã‚Šã¾ã™ã€‚ sjisã¨euc-jpã®ãƒ•ã‚¡ã‚¤ãƒ«ãŒæ··åœ¨ã—ã¦ã‚‹ã®ã§git diffãŒæ–‡å—åŒ–ã‘ã—ã¦ä½¿ãˆãªã„ lvã‚„nkfã«ãƒ‘ã‚¤ãƒ—ã—ã¦ã‚‚ã€ãã‚‚ãã‚‚ç•°ãªã‚‹æ–‡å—ã‚³ãƒ¼ãƒ‰ã®æ–‡å—åˆ—ãŒæ··åœ¨ã—ã¦ã‚‹ã®ã§ã©ã†ã—ã‚ˆã†ã‚‚ã‚ã‚Šã¾ã›ã‚“ã€‚ã“ã‚Œã‚’è§£æ±ºã™ã‚‹ã«ã¯diff.externalã‚’è¨å®šã—ã¦ã€ãƒ•ã‚¡ã‚¤ãƒ«ã”ã¨ã«è‡ªå‰ã§diffã‚’å–ã‚Šã¾ã™ã€‚ $ cat ~/mydiff.bash #!/bin/bash old=$2 new=$5 # ãƒã‚¤ãƒŠãƒªã¯ç„¡è¦– if [ -n
Layzie 2012/05/14
ã”è‹¦åŠ´ã•ã¾ã§ã™

git

bash

development
ãƒªãƒ³ã‚¯
ãšã‚“Wiki - bash
è¡¨ç¤ºã¨å…¥åŠ› â€ .inputrc ã«ä»¥ä¸‹ã®ã‚ˆã†ã«æ›¸ã„ã¦ãŠã‘ã°æ—¥æœ¬èªžã®ç›´æŽ¥å…¥åŠ›ã¨è¡¨ç¤ºãŒå‡ºæ¥ã‚‹ã€‚ set convert-meta off set meta-flag on set output-meta on â†‘ LANGã¨é•ã†æ–‡å—ã‚³ãƒ¼ãƒ‰ã§ grep ã™ã‚‹ â€ ã“ã‚“ãªã®ã‚’ .bashrc ã¨ã‹ã§å®šç¾©ã—ã¨ã‘ã°ä¾¿åˆ©ã€‚ grepSJIS () { WORD="$1"; shift; LANG=ja_JP.SJIS grep "`echo $WORD|lv -Os`" "$@"; } grepUTF8 () { WORD="$1"; shift; LANG=ja_JP.UTF-8 grep "`echo $WORD|lv -Ou8`" "$@"; } grepEUC () { WORD="$1"; shift; LANG=ja_JP.ujis grep "`echo $WORD|lv -Oej`"
Layzie 2012/03/28
terminal

bash

command
ãƒªãƒ³ã‚¯
GitHub - omgmog/install-all-firefox: bash script to install major Firefox versions on Mac OS X
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Layzie 2012/03/26
firefox

bash

command

development
ãƒªãƒ³ã‚¯
cat ã‚³ãƒžãƒ³ãƒ‰ã§ãƒã‚³ã‚’èµ°ã‚‰ã›ã‚‹ - hogehoge @teramako
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Layzie 2011/12/09
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shell

bash

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Layzie 2011/11/23
bash

awk

programming
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15 Useful Bash Shell Built-in Commands (With Examples)
Layzie 2010/09/17
linux

bash

terminal

command
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Layzie 2010/07/28
bash

command

terminal
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Layzie 2010/07/06
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bash

terminal

linux
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Keeping You in the Loop â€“ Bash For, While, Until Loop Examples
Layzie 2010/06/29
bash

programming
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