G'day Marshall,

++haj already pointed me to a portable solution, using devnull() from File::Spec, which I incorporated into my code. 

...
use File::Spec ();
...
    open $null_fh, '>', File::Spec::->devnull();
...

[download]

While writing my original code, I had used state variables so that the "# Increase multiplier for benchmarking" (from NetWallah's OP) would only be called once for each of the multitude of calls by Benchmark::cmpthese(). Unfortunately, subsequently adding code (prior to posting) to test each of the subroutines to be benchmarked ("say 'Test', ...") caused major problems. I didn't spot that until after I posted: I pretty much rewrote the code to fix these problems and added Updates to explain what I'd done.

In order to avoid invalidating what haj had written (as per "How do I change/delete my post?") I left "CAVEAT for MSWin users: ..." but immediately followed it with "Update: ... CAVEAT is no longer valid ..."

I appreciate this ended up all a bit messy. My apologies if it caused confusion.

— Ken

In reply to Re^3: Extracting /regex/mg in a while loop by kcott
in thread Extracting /regex/mg in a while loop by NetWallah

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.