> What I want to do is quickly count the number of lines that share a
> value in the 4th column and 5th (i.e. in this line I would count all
> the line that have '9' and 'ZZZ'). Anyone got any ideas for the
> quickest way to do this? The solution I have is really ugly. thanks,
Pesonally I'd just use awk:
$ awk '$4==9 && $5=="ZZZ" {count++} END {printf count}' myfile.dat
Should do it.
Alan G.
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