I was generalizing the construct - I usually do something like: 

$ tail +2 file.txt|tr -dc '[0-9\n]'|sort|uniq -c|sort -rnk 1

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I realize that the 'cat' would be useless in the simplified example that I gave, but the point was I wanted a way to do that same type of thing all in one step with perl.

In reply to Re^2: a way to do 'sort|uniq' by jch341277
in thread a way to do 'sort|uniq' by jch341277

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