.rc

ex () {
    for arg in $@ ; do
        if [ -f $arg ] ; then
            case $arg in
                *.tar.bz2)  tar xjf $arg      ;;
                *.tar.gz)   tar xzf $arg      ;;
                *.ova)      tar xvf $arg      ;;  # Then to qcow2: qemu-img convert -O qcow2 MyAppliance-disk1.vmdk MyAppliance.qcow2
                *.tar)      tar xf $arg       ;;
                *.tbz2)     tar xjf $arg      ;;
                *.tgz)      tar xzf $arg      ;;
                *.bz2)      bunzip2 $arg      ;;
                *.gz)       gunzip $arg       ;;
                *.zip)      unzip $arg        ;;
                *.Z)        uncompress $arg   ;;
                *.rar)      unrar x $arg      ;;  # 'unrar' must be installed
                *.jar)      jar -xvf $arg     ;;  # 'jdk' must be installed
                *.7z)       7z x $arg         ;;
                *)          echo "'$arg' cannot be extracted via ex()" ;;
            esac
        else
            echo "'$arg' is not a valid file"
        fi
    done
}