symbol count in a text file [iptables log]

[Andrew Mathews]

M.W. Chang wrote:
> I could figure this one out. but how to list all possible combinations 
> of DPT=9999 in a text file? There should be an existing shell util that 
> will do something like this:
> 
> select distinct DPT=* from textfile
> 
> then I need to direct each combination into a file and apply wc on it to 
> produce a distribution
> 
>> grep DPT=9999 /var/log/messages | wc
> 
> 

That's an SQL statement which would require all files be stored within a 
database. It might be possible, but that's a *LOT* of overhead just to 
do the same things that grep, awk and sed can do.

-- 
Andrew Mathews
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