#! /bin/sh
#
# Written by J.T. Conklin <jtc@netbsd.org>.
#
# Little addons to handle also linked and unformated man pages
# by Thorsten Frueauf <frueauf@ira.uka.de>.
#
# Public domain.
#

trap "rm -f /tmp/whatis$$; exit 1" 1 2 15

MANDIR=${1-/usr/share/man}
if test ! -d "$MANDIR"; then 
	echo "makewhatis: $MANDIR: not a directory"
	exit 1
fi

find $MANDIR \( -type f -or -type l \) -name '*.0' -print | while read file
do
	sed -n -f /usr/share/man/makewhatis.sed $file;
done > /tmp/whatis$$

find $MANDIR \( -type f -or -type l \) -name '*.[1-9]' -print | while read file
do
	nroff -man $file | sed -n -f /usr/share/man/makewhatis.sed;
done >> /tmp/whatis$$

find $MANDIR \( -type f -or -type l \) -name '*.[1-9]?' -print | while read file
do
	nroff -man $file | sed -n -f /usr/share/man/makewhatis.sed;
done >> /tmp/whatis$$
	
find $MANDIR \( -type f -or -type l \) -name '*.0.Z' -print | while read file
do
	zcat $file | sed -n -f /usr/share/man/makewhatis.sed;
done >> /tmp/whatis$$

find $MANDIR \( -type f -or -type l \) -name '*.0.gz' -print | while read file
do
	gzip -fdc $file | sed -n -f /usr/share/man/makewhatis.sed;
done >> /tmp/whatis$$

sort -u -o /tmp/whatis$$ /tmp/whatis$$

install -o bin -g bin -m 444 /tmp/whatis$$ "$MANDIR/whatis.db"
exit 0