Re^3: How to optimize a regex on a large file read line by line ?

Grep and egrep run slow on the Mac and do not know why.

   wc -l:      2.162 seconds
   grep -c:   45.316 seconds
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Re^4: How to optimize a regex on a large file read line by line ? by LanX (Saint) on Apr 21, 2016 at 17:05 UTC
> Grep and egrep run slow on the Mac and do not know why. you have optimized the chunk-size in your script manually, probably those tools where compiled with hardcoded chunk-sizes which are not optimal any more. Cheers Rolf _{(addicted to the Perl Programming Language and ☆☆☆☆ :) Je suis Charlie!} update This was my 5000 th post, time to retire....	[reply]