[nycbug-talk] Follow-up on grep -P

James E Keenan jkeen at verizon.net
Fri Nov 8 19:13:00 EST 2013

On 11/6/13 9:33 PM, James E Keenan wrote:

> So, your results with 'grep -P' will depend on how the version of grep
> you're using was compiled. YMMV.

However, if you want the power of 'grep -P' but don't have control over 
the way 'grep' is compiled for your environment, you can check out the 
program 'ack' -- "a tool like grep, optimized for programmers".  'ack' 
was written by veteran Perl hacker Andy Lester*.  You can read all about 
it here:


Thank you very much.
Jim Keenan

*And others, including yours truly, who made some small contributions to 
ack's test suite at a hackathon in Chicago seven years ago this month.

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