in reply to color STERR red?

PerlIO::via::ANSIColor will do it for you. 
#!/usr/bin/perl

use strict;
use warnings;

use PerlIO::via::ANSIColor color => 'red';
binmode STDERR, ':via(ANSIColor)';

warn "This output's colored\n";

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Re^2: color STERR red?
by Anonymous Monk on Jan 08, 2024 at 21:41 UTC
    This can't be used if you're also using Capture::Tiny. It will fail with "Couldn't seek on capture handle for stderr".
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