:
##########################################################################
# Shellscript:	rgrep - recursive grep
# Version    :	0.1 (beta)
# Author     :	Heiner Steven (heiner.steven@odn.de)
# Date       :	12.02.1996
# Category   :	File Utilities
# SCCS-Id.   :	$Id: rgrep,v 1.1.1.1 1999/06/15 19:29:05 heiner Exp $
##########################################################################
# Description
#
##########################################################################

PN=`basename $0`			# Program name
VER='0.1 (beta)'

: ${GREP:=egrep}
FindOpts="-follow -type f"
GrepOpts=

Usage () {
    echo >&2 "$PN - recursive grep, $VER (hs '96)
usage: $PN [grep_opts | find_opts] SearchString [file | directory] ...
    grep_opts:	Options for $GREP (the default is \"$GrepOpts\")
    find_opts:	Options for find (the default is \"$FindOpts\").

Options consisting of a single letter are considered to be $GREP
options, longer options are interpreted as find options.  Options
with arguments must be quoted: \"-type d\" instead -type d"
    exit 1
}

Msg () {
    for i
    do echo "$PN: $i" >&2
    done
}

Fatal () { Msg "$@"; exit 1; }

Args=
while [ $# -gt 0 ]
do
    case "$1" in
	--)	shift; break;;
	-h)	Usage;;
	-?)	GrepOpts="${GrepOpts:+$GrepOpts }$1";;
	-??*)	Args="${Args:+$Args }$1";;
	*)	break;;			# First file name
    esac
    shift
done

[ -n "$Args" ] && FindOpts="$Args"

[ $# -lt 1 ] && Usage
Search="$1"; shift

[ $# -lt 1 ] && set -- .		# Default search directory

exec find "$@" $FindOpts -print | xargs $GREP $GrepOpts "$Search" /dev/null