I was pretty sure what AidanLee posted above would work correctly, and I would suggest redirecting STDERR as busunsl posted below -- 2>$FILE. What I did *not* know would work was the following code:

Please forgive me, but I only had access to a Windows 2000 PC. *Smiles* 

use strict;

system("del doesnotexist1");

close(STDERR);
open(STDERR,">stderr.out") || die "Could not open STDERR...\n";

system("del doesnotexist2");

[download]

This results in "Could Not Find C:\TEMP\doesnotexist1" being displayed on the screen (default for STDERR) and "Could Not Find C:\TEMP\doesnotexist2" being written to stderr.out.

Looks like system() inherits STDERR from the Perl script.

In reply to Some things I would have never guessed... by Rhose
in thread redirecting STDERR from shell commands by pike

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.