#!/bin/bash

function usage
{
    echo "usage: search [arguments] [options]"
    echo "arguments:"
    echo "         for text"
    echo "         in directory"
    echo "options:"
    echo "         -c | --case-sensitive"
    echo "         -s | --show-filenames-only"	   
}

directory=/
case=i
verbose=H
while [ "$1" != "" ]; do
    case $1 in
        for | -f | --for )
		shift
                text=$1
                ;;
        in | --in | -i )
		shift
		directory=$1
                ;;
        -h | --help )           
		usage
                exit
                ;;
	-c | --case-sensitive )
		case=
		;;
	-s | --show-filenames-only )
		verbose=l
		;;
        * )     
		usage
                exit 1
    esac
    shift
done
find $directory -type f -exec grep -$case$verbose "$text" --color=auto -n {} \; 
