Use this and step through it. 
#!/usr/bin/perl -d

use strict;
use warnings;
use Term::ReadLine;
use Term::ANSIColor;

my $attr = "This is a test";
print 
"$attr", "\n",
colored("$attr", "red"),   "\n",
colored("$attr", "blue"),  "\n",
colored("$attr", "green"), "\n",
colored("$attr", "black"), "\n";

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In reply to Re: Interactive post-coloring of readline input? by Khen1950fx
in thread Interactive post-coloring of readline input? by LanX

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