But that example will pad an 0 left or right and will make VMs 10-99 as 010 ,, 099

That is completely incorrect. You haven't even bothered to try it, have you?

#!/usr/bin/env perl
use strict;
use warnings;

print sprintf "%02d\n", $_ for (0..20);

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🦛

In reply to Re^11: appending a variable by hippo
in thread appending a variable by pragovnj

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