From: Tim Greer <tim@...>
Date: 2008-12-22T03:56:42+09:00
Subject: Re: Using ruby hash on array

Stuart Clarke wrote:

> count.each do |a, cnt|
> printf "%20s %6d\n", a, cnt
> end
> 
> 
> I have no idea what the %20s ...... is doing.

It's just formatting/padding.  It will right adjust the output on the
column 20 chars over.
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