extract.sh

extract () {
        if [ -f "$1" ]
        then
                case "$1" in
                        (*.tar.bz2) tar -jxvf "$1" ;;
                        (*.tar.gz) tar -zxvf "$1" ;;
                        (*.bz2) bunzip2 "$1" ;;
                        (*.dmg) hdiutil mount "$1" ;;
                        (*.gz) gunzip "$1" ;;
                        (*.tar) tar -xvf "$1" ;;
                        (*.tbz2) tar -jxvf "$1" ;;
                        (*.tgz) tar -zxvf "$1" ;;
                        (*.zip) unzip "$1" ;;
                        (*.ZIP) unzip "$1" ;;
                        (*.pax) cat "$1" | pax -r ;;
                        (*.pax.Z) uncompress "$1" --stdout | pax -r ;;
                        (*.Z) uncompress "$1" ;;
                        (*) echo "'$1' cannot be extracted/mounted via extract()" ;;
                esac
        else
                echo "'$1' is not a valid file to extract"
        fi
}