#!/bin/sh

literalize='s/\([\$\.\\()|]\)/\\\1/g'

if	test "$1" = "-"
then
	sed -e $literalize | awk -f bin/list_to_egrep.awk
else
	echo -n "(`echo $1 | sed -e $literalize`"
	shift
	for f in $*
	do
		echo -n ")|(`echo $f | sed -e $literalize`"
	done
	echo ")"
fi
