:
##########################################################################
# Title      :	vgrep - edit files containing search string
# Author     :	Heiner Steven <heiner.steven@odn.de>
# Date       :	1994-11-18
# Requires   :	egrep, vi
# Category   :	File Utilities
# SCCS-Id.   :	@(#) vgrep	1.2 03/12/19
##########################################################################
# Description
#
##########################################################################

PN=`basename "$0"`			# Program name
VER='1.2'

: ${GREP:=egrep}			# must list file names with -l
: ${EDITOR:=vi}				# must search pattern with +/pattern

usage () {
    echo >&2 "$PN - edit files containing search string, $VER (stv '94)
usage: $PN [$GREP arguments ...] search_string file [file ...]"
    exit 1
}

Args=					# Collect arguments for grep
while [ $# -gt 0 ]
do
    case "$1" in
	--)	shift; break;;
	-h)	usage;;
	-*)	Args="$Args $1";;
	*)	break;;			# Search string
    esac
    shift
done

[ $# -lt 2 ] && usage

Files=`$GREP -l $Args "$@"`		# first argument is search string
[ $? -eq 0 -a -n "$Files" ] && exec $EDITOR -c "/$1" $Files
exit 0