#! /usr/bin/perl

# mkindex - do a recursive directory listing from ARGV in a stylized format
# vixie 08apr92 [made compatible with "compromise" format from dave brierley]
# vixie 07feb92 [original]

@Months = (Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec);
$KB = 1024;

chop($Cwd = `/bin/pwd`);

for (@ARGV) {
	@Dirs = ();
	&pushd($_) || die "$_: $!";
	&do_dotdir();
}
exit 0;

sub pushd {
	local($_) = @_;

	push(@Dirs, $_);
	&dir();
	&chdir($Dir) || return 0;
#d	print "push $_ ($Dir)\n";
	return 1;
}

sub popd {
	pop(@Dirs);
	&dir();
#d	print "pop $Dir\n";
	return &chdir($Dir);
}

sub dir {
	$Dir = join('/', @Dirs);
	$Dir =~ s://:/:;
	$Dir =~ s:/\./:/:;
}

sub chdir {
	local($_) = @_;

	$_ = $Cwd.'/'.$_ unless (m:^/:);
	return chdir($_);
}

sub do_dotdir {
	local($_, @stat, *dot);
	local(@files, @dirs);

	opendir(dot, '.') || return;
	@files = sort(readdir(dot));
	closedir(dot);
	@dirs = ();
	for (@files) {
		next if (/^\./);	# avoid .files
		next if (-l $_);	# avoid symlinks
		if (-d _) {		# directory - save for later
			push(@dirs, $_);
			next;
		}
		if (-f _) {		# regular file
			@stat = stat(_);
			&do_file($_, $stat[7], $stat[9]);
		}
	}
	for (@dirs) {
		if (&pushd($_)) {
			&do_dotdir();
			&popd() || die "popd [$Dir]: $!";
		}
	}
}

sub do_file {
	local($name, $size, $mtime) = @_;
	local($sec, $min, $hour, $mday, $mon, $year) = localtime($mtime);

	printf("%02d.%02d.%02d %02d:%02d %7dk %s/%s\n",
		$year, $mon+1, $mday,
		$hour, $min,
		($size + $KB - 1) / $KB,
		$Dir, $name);
}