#! /bin/sh 

# text-grep -- perform grep on text files
# $Id: text-grep,v 1.1 1998/07/09 02:46:01 cdua Exp cdua $
# Carlos Duarte, 980707

#trap -- 'rm -f /tmp/xpto' EXIT SIGINT

USAGE="\
usage: $0 [-h] pattern files...

  -h      this help
  -L      follow symlinks

  perform grep of pattern in specified files (- for stdin)
  all other options are passed to grep
"

while : ; do
	case x"$1" in 
	x-h)	echo "$USAGE"; exit 1 ;;
	x-L)	L=-L ;;
	x--)	shift; break ;;
	x-?)	p="$p $1" ;; 
	*)	break ;;
	esac
	shift
done

# if _must_ accept on extra argument after options
if test $# -lt 2; then echo "$USAGE"; exit 1; fi

p="$p $1"
shift

file $L "$@" | grep ':.*text' | cut -d: -f1 | xargs grep $p
exit