in reply to Printing changing variable in perl

You can use \r to back up and print over a line: 
use warnings;
use strict;

$|++;
for (1 .. 3) {
    print "\r$_";
    sleep 2;
}
print "\n";

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Re^2: Printing changing variable in perl
by Discipulus (Canon) on Feb 27, 2014 at 09:26 UTC
    never, never, never suspected the existence of this! thanks Toolic
    For posterity, as pointed by ambrus you can find this in docs but i never understood what also wiki says: A carriage return, .. is .. a mechanism used to reset a device's position to the beginning of a line of text.

    L*
    There are no rules, there are no thumbs..
    Reinvent the wheel, then learn The Wheel; may be one day you reinvent one of THE WHEELS.
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