A simple script to zip and unzip with tar

zipTar.sh

#!/bin/sh
#Author: José Luis Garrido Labrador (JoseluCross)
#Organitation: JKA Network
#Original http://mirror.jkanetwork.com/Scripts/zipTar.sh
#Licence: CC-BY-SA
#Version: v1.3
#This script help the user to zip and unzip in differents formats
#The version 1.1 include the format .tbz2
#The version 1.2 allow unzip write ($1) the format too
#The version 1.3 now the script run in many other GNU/Linux destributions

echo  "Choose, zip (1) or unzip (2)"
read option
if [ $option -ne 1 ] && [ $option -ne 2 ];then
        echo Incorrect option
        exit
fi
echo Choose the format, 1 tar, 2 tar.gz, 3 tar.bz2, 4 .tbz2
read format
if [ $option -eq 2 ];then
        if [ $format -eq 1 ];then
                tar xf $1
                echo It has been unzipped $1.tar
        elif [ $format -eq 2 ];then
                tar xzf $1
                echo It has been unzipped $1.tar.gz
        elif [ $format -eq 3 ];then
                tar xjf $1
                echo It has been unzipped $1.tar.bz2
	elif [ $format -eq 4 ];then
		tar xvjf $1
		echo It has been unzipped $1.tbz2
	else
		echo Incorrect format, restart the script
		exit
        fi
elif [ $option -eq 1 ];then
        if [ $format -eq 1 ];then
                tar cf $1.tar $1
                echo It has been zipped $1 in $1.tar
        elif [ $format -eq 2 ];then
                tar czf $1.tar.gz $1
                echo It has been zipped $1 in $1.tar.gz
        elif [ $format -eq 3 ];then
                tar cjf $1.tar.bz2 $1
                echo It has been zipped $1 in $1.tar.bz2
	elif [ $format -eq 4 ];then
		tar cvjf $1.tbz2 $1
		echo It has been zipped $1 in $1.tbz2
        else
		echo Incorrect format, restart the script
		exit
        fi
fi