#!/bin/bash

if [[ $1 = -h || $1 = --help ]]
then
	cat - >&2 <<EOF
	small script to find files by content
	Synopsis:
	1: findgrep <grep-pattern>
	2: findgrep <dir> [<grep-options...>] <grep-patterns...>
	3: findgrep <grep-options...> <grep-patterns...>
	Per default, find is called for the current directory
		 and grep is called with options '-qi'
EOF
	exit 0
fi

if [[ $# -ge 2 ]]
then
	if [[ $1 = -* ]]
	then # synopsis 3
		directory=.
		grep_opts=""
	else # synopsis 2
		directory="$1"
		shift
		if [[ $1 != -* ]]
		then
			grep_opts="-qi"
		fi
	fi
else # synopsis 1
	directory=.
	grep_opts="-qi"
fi

find ${directory} -type f -a -exec grep $grep_opts "$@" {} \; -print