#!/dis/sh
load std

fn cmdform {
	sed 's;/man/;;
	s;(.*)/(0intro);man \1 \2 # intro(\1);
	s;(.*)/(.*);man \1 \2 # \2(\1);'
}
post=cmdform

x=$*
~ $1 -f && {
	post=cat
	x=${tl $x}
}
x=`{echo $x|tr A-Z a-z|tr -dc 'a-z0-9_ \012'}	# fold case, delete funny chars
~ $#x 0 && {echo Usage: lookman key ... >[1=2]; exit usage}

look $x /man/index | sed 's/^.*	//' |sort |uniq | $post