Unrar recursively in bash, using evil™

rarx.bash

#!/bin/bash -xv
#            ^^ debug, feel free to remove...

# Enable evil expansion mode: +([0-9])
shopt -s extglob

do_unrar() {
	rar x "$@"
}

recurse_rar() {
for path in "$@" ; do
	if test -d "$path" ; then
		recurse_rar "$path"/*
	elif test -z "${path##*.part+([0-9]).rar}" ;then
		test "${path##*.part*(0)1.rar}" || do_unrar "$path"
	elif test -z "${path##*.rar}" ;then
		do_unrar "$path"
	fi
done
}

recurse_rar "$@"