38 lines
1.1 KiB
Bash
38 lines
1.1 KiB
Bash
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# Check to see if a command exists
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function command_exists {
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command -v "$1" &> /dev/null
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}
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# Ask for admin password up front and keep sudo alive until the end of the script
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function keep_alive {
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sudo -v
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while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &
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}
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# Extract a compressed file with the appropriate command
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function unpack {
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if [ -f "$1" ]; then
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case $1 in
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*.tar.bz2) tar xjf $1 ;;
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*.tar.gz) tar xzf $1 ;;
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*.bz2) bunzip2 $1 ;;
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*.rar) unrar x $1 ;;
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*.gz) gunzip $1 ;;
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*.tar) tar xf $1 ;;
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*.tbz2) tar xjf $1 ;;
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*.tgz) tar xzf $1 ;;
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*.zip) unzip $1 ;;
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*.Z) uncompress $1 ;;
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*) echo "'$1' cannot be extracted via extract()" ;;
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esac
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else
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echo "'$1' is not a valid file"
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fi
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}
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# Source library
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for f in ~/.zsh/lib/*; do source "$f"; done
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# vim:set ft=zsh:
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