This is a perfect job for sprintf. Try something like this: 
while (<IN>) {
    chomp;
    my $padded;
    $padded .= sprintf("%03d", $_) for split /\./;
}

[download]

Update: I like Aristotle's solution better. Use that one, not mine. TIMTOWTDI! :-)

-- Mike

--
just,my${.02}

In reply to Re: simple padding of IP address by thelenm
in thread simple padding of IP address by Anonymous Monk

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