save images as rar file, then rename as .cbr

zcomic.sh

#!/bin/bash

comicdir=$1



if [ -d "$comicdir" ]
then
        outname=$(echo $comicdir | sed -e 's/\///')
        outname=$(echo $outname | sed -e 's/\ /_/g')
        rarname=$outname'.rar'
        cbrname=$outname'.cbr'
        rar a "$rarname" "$comicdir"
        mv $rarname $cbrname
        echo $outname comic file is created
else
        echo 'not a directory!'
fi