Re: how to pass a bound method to fileutil::traverse as a -prefilter

* Mark Summerfield <m.n.summerfield@gmail.com>
| I want to pass a bound method to fileutil::traverse as a -prefilter.
| I'm using `lambda` but it doesn't help. I can't work out what I'm
| doing wrong based on the error output.
--<snip-snip>--
|         fileutil::traverse iter -prefilter $pre_filter
--<snip-snip>--
| unknown option "::apply {{ignore dirname} {
|                     dir_filter $ignore $dirname
|                 }} {test*.* zOld}"

man traverse(n)
       ::fileutil::traverse ?objectName? path ?option value...?

I think you are missing the PATH argument to ::fileutil::traverse, so
the '-prefilter' is taken as the path, and the $pre_filter as an option
name (which does not exist, as the error message states :-)

R'