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n350071🇯🇵
n350071🇯🇵

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n350071 shell note (bash)

#shell

https://dev.to/n350071/bashprofile-4ebd

👍 brew 

brew install peco #Simplistic interactive filtering tool
brew cask install atom
brew cask install visual-studio-code
brew cask install amethyst
brew install htop
brew install jq # => use like this : curl localhost:8080/api/json | jq .
brew cask install eqmac # イコライザー
brew cask install postman
brew install tree
brew install blueutil
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brew software

n350071

my peco note

n350071🇯🇵 ・ Sep 25 '19

#shell #peco

Find the application process id 

$ ps aux | grep rails
USER       PID  %CPU %MEM      VSZ    RSS   TT  STAT STARTED      TIME COMMAND
n350071    2071   0.0  1.9  5419064 323140   ??  S     2Sep19  13:18.55 /Users/n350071/.rbenv/versions/2.4.6/bin/ruby script/rails s
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Then, the rails pid is 2071.

About Exit code

Exit code meaning
0 Success
1 General errors, Miscellaneous errors, such as "divide by zero" and other impermissible operations
2 Misuse of shell builtins (according to Bash documentation) Example: empty_function() {}

Workaround for white space 

find -print0 | xargs -0
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xargs with arguments 

echo 1 2 3 4 | xargs -I{} echo {}
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find all components 

mdfind -name "kindle"
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