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another faster way sans grep (Score:2)

by merlyn (47)
It suffices to say

perl -V:usethreads

which pulls just that value from the config, and in a way that you can use it with an sh eval:

eval `perl -V:usethreads`; case $usethreads in define) ... ;; undef) ... ;; esac
--
- Randal L. Schwartz
- Stonehenge
- Re:another faster way sans grep (Score:2)
  
  by Ovid (2709)
  
  Sweet! A new tip. Thanks.
- Re:another faster way sans grep (Score:2)
  
  by rafael (2125)
  
  And regexps work !
  perl -V:use.*threads
better off without them (Score:1)

by perrin (4270)

Don't compile with thread support unless you need it. It slows down your Perl by about 15%, even if you never use threads.
- Re:better off without them (Score:2)
  
  by Ovid (2709)
  
  I need it for some of my side projects. Specifically, Language::Prolog::Yaswi requires a threaded Perl if my SWI-Prolog is threaded (which it is).

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