Convert .cbr to .cbz

cbr2cbz

#!/bin/bash

# Turn on super debug mode
#set -x

for i in "$@"
do
        # Store the current directory
        od=$PWD
        #a=$(mktemp --directory) && cd $a

        # Create a scratch directory in /dev/shm for speed
        a="/dev/shm/$(uuidgen)"
        mkdir $a && cd $a

        echo "Processing $i"

        # Unrar the files
        unrar x "$od/$i" 2>&1 > /dev/null

        # Create a zipfile with the same file structure
        zipfile=${i/.cbr/.cbz}
        zip -9qr "$zipfile" .

        # Move the created file back to the previous directory
        cd - 2>&1 > /dev/null
        mv "$a/$zipfile" .

        # Delete the scratch dir
        rm -Rf $a
done