Alan Burch wrote:

> I mis-spoke.  Not a factor of 10 faster, just marginally.  I had 
> "wordlist" in my directory as a list of the unique 10 letter words.
> I do like the code better still, but with out the block, it's still much 
> faster.  Also using uniq! rather than size is quicker than taking the 
> size twice.

Solely for my own amusement, since I'm still trying teach myself Ruby...

File.open("./words").read.split.collect! {|x| x if x.length == 10 && 
x.split(//).uniq! == nil}.compact!.each {|x| puts x }

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