#!/bin/sh
# apropos -- find command apropos a given subject, in section 1 of Unix manual
#
# AUTHOR:	Gary T. Leavens

[ -n "$echo" ] && set -x


USAGE='Usage: '"$0"' [-s section] subject'
SECTION='([1Ll])'

case "$1" in
-s)
	shift
	SECTION='('"$1"')'
	shift
	;;
-s*)
	SECTION='('`expr "$1" : '-s\(.*\)'`')'
	shift
	;;
-*)
	echo "$USAGE" >&2
	exit 2
	;;
esac

# no arguments?
if test $# -ne 1
then
	echo "$USAGE" >&2
	exit 1
fi

man -k $1 2>&- | grep "$SECTION"