plan9port/bin/g

#!/bin/sh

inflags=yes
flags=""
while [ $# != 0 -a $inflags = yes ]
do
	case "$1" in
	--)
		inflags=no
		shift
		;;
	-*)
		flags="$flags $1"
		shift
		;;
	-)
		inflags=no
		shift
		;;
	*)
		inflags=no
		;;
	esac
done

case $# in
0)
	echo 1>&2 'usage: g [flags] pattern [files]'
	exit 1
	;;
1)
	pattern="$1"
	files=`/bin/ls *.[bcChlmsy] *.asm *.cc *.cs *.lx *.cgi *.pl *.py *.tex *.ms *.java *.xy *.go *.goc 2>/dev/null |
		9 grep -v '\.tab?\.[ch]$'`
	;;
*)
	pattern="$1"
	shift
	files="$@"
esac

exec 9 grep -n $flags -- "$pattern" $files /dev/null