I'm not 100% sure what you're after either. Does this help? 
for (my $int = 1; $int <= 999999999999; $int++) { 
    my $leading = sprintf("%012d", $int);
    my @split = ($leading =~ /../g);
    print join(':', @split) . "\n";
    print join('.', @split) . "\n";
}

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---
my name's not Keith, and I'm not reasonable.

In reply to Re: How to separate digits by reasonablekeith
in thread How to separate digits by imperl

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