hi, after giving it a little more patience to run & wait, you are indeed correct. it is just "S L O W"... but based on the logging (see below), the "overhead" only occurs on the top folder. as you can see from the logs, it took nearly half an hour for it to start traversing the subfolder. i wonder if any other optimization i can do?.. 

04-12-2017 05:00:33:917  DEBUG  Reached Z:  
04-12-2017 05:09:56:199  DEBUG  Reached Z:A6C335  
04-12-2017 05:09:57:820  DEBUG  Reached Z:A6C335/A6C335.4.12  
04-12-2017 05:09:58:001  DEBUG  Reached Z:A6C335/A6C335.5.09  
04-12-2017 05:09:58:182  DEBUG  Reached Z:A6C335/A6C335.5.10

[download]

In reply to Re^4: Execution hangs on File::Find by colox
in thread Execution hangs on File::Find by colox

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.