Graham JavaExperts This script assumes that all that is in /main is subfolders and a index file
and all the sub folders just contain the files being counted and a index file
if the sub folders do not contain a index file change the maths to
var $total=($total+$subc)
beware of timeouts on very large main folders and sub folders

<!--parser:xtscript--> var $flist=<xt:filelist folder="/main" template="|.file_name." filter="-index"/>| var $start=1 @loop var $end = call strpos $haystack=$flist;$needle=|;$offset=($start+1); if $end >0 var $subf = call substr $val=$flist;$start=$start;$length=($end-$start) var $subc = <xt:filecount folder="/main/$subf" /> var $total=($total+$subc-1) var $start = ($end+1) goto @loop endif print $total <!--/parser:xtscript-->