#! /bin/sh 

# dupmans -- print duped man pages
# $Id$
# Carlos Duarte, 970425

MP=`printenv MANPATH`
if test X$MP = X; then
	if man -w 2>/dev/null 1>&2; then 
		MP=`man -w`
	else
		echo \
"man must support -w option (or else, MANPATH must be defined)"
		exit 1
	fi
fi

for mandir in `echo $MP | tr : \\\\012 | sort -u`; do
	test "`echo $mandir/man*`" = "$mandir/man*" && continue
	dirs="$dirs `echo $mandir/man*`"
done

if test x"$dirs" = x ; then
	echo "no dirs to check for"
	exit 1
fi

dupfiles $dirs