MUCH faster, thanks.<p>Now I'm piping that into Perl to convert the counts to percentages.  If I figure out a one-liner for that I'll let you know.<p>Next I'll be tempted to write a module for generating "realistic" (Benford-compliant) random numbers using this concise specification from HN contributor "shrughes":<p>"Data whose logarithm is uniformly distributed does [follow Benford's Law]."<p>I could use that to produce demo or test data.