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Linux Bash Aliases

March 07, 2012

Bash aliases are essentially keyboard shortcuts or abbreviations for longer command sequences. If, for example, we include alias lm="ls -l | more" in ~/.bashrc, typing lm gets automatically replaced with ls -l | more. Here are some of my aliases and helper functions,

alias ..='cd ..'
alias get='sudo apt-get install'
alias pb='hg push --rev .' # Push current branch with Mercurial
alias aliases='sudo gedit $HOME/.bash_aliases && source $HOME/.bash_aliases' # Open aliases for editing and source afterward
google() {
search=""
echo "$1"
for term in $*; do
search="$search%20$term"
done
xdg-open "http://www.google.com/search?q=$search"
}
extract() {
if [ -f $1 ] ; then
case $1 in
*.tar.bz2) tar xvjf $1;;
*.tar.gz) tar xvzf $1;;
*.bz2) bunzip2 $1;;
*.rar) rar x $1;;
*.gz) gunzip $1;;
*.tar) tar xvf $1;;
*.tbz2) tar xvjf $1;;
*.tgz) tar xvzf $1;;
*.zip) unzip $1;;
*.Z) uncompress $1;;
*.7z) 7z x $1;;
*) echo "don't know how to extract '$1'..." ;;
esac
else
echo "'$1' is not a valid file!"
fi
}

Rocky Warren's blog.

Principal Engineer and Architect at Vertex Software. I do other stuff too.

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