Comic to HTML convert script v2

#!/bin/bash

#title           :Comic to HTML
#description     :Converts Comic Books to a very simple HTML format
#author		       :Kris Occhipinti
#site            :http://filmsbykris.com
#date            :Tue Jun  3 12:23:23 EDT 2014
#version         :3    
#usage		       :comic2html file.cbr
#notes           :To convert a bunch of files 'for i in *;do comic2html "$i";done'
#License :GPLv3 http://www.gnu.org/licenses/gpl-3.0.html

dir="$PWD/html/"
d="$(echo "$1"|cut -d\. -f1)"
output_dir="$dir$d"
mkdir -p "$output_dir"

if [[ "$1" == *.cbr ]]
then
        cp "$@" "$output_dir/x.rar"
        unrar e "$output_dir/x.rar" "$output_dir/"
         rm "$output_dir/x.rar"
else
        cp "$@" "$output_dir/x.zip"
        unzip "$output_dir/x.zip" -d "$output_dir/"
        rm "$output_dir/x.zip"
fi

ls "$output_dir" > "$output_dir/list.php"
sed -i '/jpg/!d' "$output_dir/list.php"
 
cat << EOF > "$output_dir/index.html"


    Page #
    --Number of Pages: 
  
  
EOF