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I don't think substr is what he's looking for. That would chop off the end of the string, not pad it. But in the interest of benchmarking I ran the following.
use Benchmark; my $str = 'hello'; timethese( 10000000, { 'pack' => q{ $str = pack("A10",$str); }, 'sprintf' => q{ $str = sprintf("%-10s",$str); }, });
And got these results, not much of a difference.
Benchmark: timing 10000000 iterations of pack, sprintf... pack: 18 secs (16.86 usr 0.00 sys = 16.86 cpu) sprintf: 18 secs (17.36 usr 0.00 sys = 17.36 cpu)

In reply to RE: RE: Set String Length (benchmark) by steveAZ98
in thread A Set String Length by zdog

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