#!/bin/bash if [ "$1" = "" ]; then echo "Usage: munzip "; exit 1; fi if [ "$1" = *.tar.gz ]; then tar xzf "$1" elif [ "$1" = *.tar.bz2 ]; then tar jxf "$1" elif [ "$1" = *.zip ]; then unzip "$1" else echo "Unknown format." exit 1 fi