#!/bin/sh -f
# ft  Find text in files
# usage: ft <text> '<file-pattern>'

usage()
{
    echo "usage: ft [-i] text file-pattern" >&2
    exit 1
}

while getopts ":i" c
do
    case "$c" in
    i)	   iflag="-i";;
    :|'?') usage;;
    esac
done

shift $(($OPTIND - 1))
if [ $# -lt 2 ]; then usage; fi

find . -name $2 -exec grep $iflag -H $1 '{}' ';'
.