extract

#!/bin/sh

help() {
    echo "Extracts the file specified based on the extension"
    echo "Stolen from http://dev.gentoo.org/~steev/files/zshrc"
    echo "Usage: `basename "$0"` <filename>"
    echo
}

case $1 in
    '-h'|'--help') help && exit ;;
    '') help && exit 1 ;;
esac

if [ -f "$1" ]; then
    case "${1}" in
        *.tar) tar -xvpf "$1" ;;
        *.tar.bz2|*.tbz2) tar -xvjpf "$1" ;;
        *.tar.gz|*.tgz) tar -xvzpf "$1" ;;
        *.tar.xz) tar -xvJpf "$1" ;;
        *.bz2) bunzip2 "$1" ;;
        *.gz) gunzip "$1" ;;
        *.zip|*.jar) unzip "$1" ;;
        *.rar) unrar x "$1" ;;
        *.Z) uncompress "$1" ;;
        *.gem) gem unpack "$1" ;;
        *.rpm) unrpm "$1" ;;
        *.7z) 7z e "$1" ;;
        *)
            echo "Unable to extract '$1': Unknown extension"
            exit 1
            ;;
    esac
else
    echo "Unable to extract '$1': File not found"
    exit 1
fi