#! /bin/bash

while [ $# -gt 0 ]
do
 case "$1" in
    -l) echo "List command"
        ls
        shift
        ;;
    -p) echo "Process command"
        ps -a
        shift
        ;;
    -t) echo "Hash Table command"
        hash
        shift
        ;;
    -h) echo "Help command"
        help
        shift
	;;
 esac
done