function MatchPageNames($pagelist, $pat) {
# Note: MatchNames() is the generic function matching patterns,
# works for attachments and other arrays. We can commit to
# keep it generic, even if we someday change MatchPageNames().
return MatchNames($pagelist, $pat);
}
function AttachExist($pagename, $condparm='*') {
global $UploadFileFmt;
@list($fpat, $pn) = explode(' ', $condparm, 2);
$pn = ($pn > '') ? MakePageName($pagename, $pn) : $pagename;
$uploaddir = FmtPageName($UploadFileFmt, $pn);
$flist = array();
$dirp = @opendir($uploaddir);
if ($dirp) {
while (($file = readdir($dirp)) !== false)
if ($file{0} != '.') $flist[] = $file;
closedir($dirp);
$flist = MatchNames($flist, $fpat);
}
return count($flist);
}