#!/bin/sh
#
#	$NetBSD: wtf,v 1.11 2003/04/25 19:08:31 jmmv Exp $
#
# Public domain
#

usage() {
	echo "usage: `basename $0` [-f dbfile] [-t type] [is] <acronym>"
	exit 1
}

acronyms=${ACRONYMDB:-@wtf_acronymfile@}

args=`getopt f:t: $*`
if [ $? -ne 0 ]; then
	usage
fi
set -- $args
while [ $# -gt 0 ]; do
	case "$1" in
		-f)
			acronyms=$2; shift
			;;
		-t)
			acronyms=@wtf_acronymfile@.$2; shift
			;;
		--)
			shift; break
			;;
	esac
	shift
done

if [ X"$1" = X"is" ] ; then
	shift
fi

if [ $# -lt 1 ] ; then
	usage
fi

if [ ! -f $acronyms ]; then
	echo "`basename $0`: cannot open acronyms database file \`$acronyms'"
	exit 1
fi

rv=0
while [ $# -gt 0 ] ; do
	target=`echo $1 | tr '[a-z]' '[A-Z]'`
	ans=`fgrep $target < $acronyms 2>/dev/null \
             | sed -ne "\|^$target[[:space:]]|s|^$target[[:space:]]*||p"`
	if [ "$ans" != "" ] ; then
		echo "$target: $ans"
	else
		ans=`whatis $1 2> /dev/null | egrep "^$1[, ]" 2> /dev/null`
		if [ $? -eq 0 ] ; then
			echo "$1: $ans"
		else
			echo "Gee...  I don't know what $1 means..." 1>&2
			rv=1
		fi
	fi
	shift
done
exit $rv
