Ok, I am getting a better idea of your objective. Thanks for the explanation!
I am curious... why WireShark doesn't already do what you want? I did a quick search and found that there is a !HTTP filter (filter out HTTP traffic) and that capturing with that program's filter might get the job done? I suspect that Wireshark is very performant C code. Maybe some Perl program to post process the WireShark output might work? I don't know, but an idea...

In reply to Re^5: Check if a scalar contains a complete HTTP request by Marshall
in thread Check if a scalar contains a complete HTTP request by FloydATC

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