Bash shell script to unzip an ePub

unzip-pub.sh

#!/bin/bash

# date: 20-11-03
# dev: codingChewie
# purpose: Unzip an ePub with name passed in Terminal
# version: 1.1
# name: unzip-pub.sh

EXT=".epub"
LOC=""
OUT=""

red=`tput setaf 1`
green=`tput setaf 2`
blue=`tput setaf 4`
white=`tput setaf 7`

read -p "${blue}What is the filename?: " pub
echo $white

if [[ $pub =~ ${EXT}$ ]]; then pub=$(echo "$pub" | cut -f 1 -d '.'); fi

if [ -z "${LOC}" ]; then LOC="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"; fi
filepath=(${LOC}/${pub}${EXT})

if [[ ! -d ${OUT} && ! -n "$OUT" ]]; then OUT=$LOC; fi

if [ -e ${filepath} ]; then
    for epubfile in $(find ${filepath}); do
      cd $LOC

      zipfile=$(basename $epubfile .epub).zip
	    directoryname=$(basename $zipfile .zip)

      echo $green
      mv -v "$epubfile" "$LOC"/"$zipfile"

      ziperror=0
	    ziperror=$(unzip -t "$LOC"/"$zipfile" > /dev/null)$?

      if [ $ziperror -eq "0" ]; then
		    unzip -o "$LOC"/"$zipfile" -d "$LOC"/"$directoryname"
		    rm -v "$LOC/$directoryname.zip"
      fi
      echo $white
	    exit
    done
else
    echo "${red}File \"${pub}\" does not exist in directory. Please try again"
    echo $white
    exit
fi