I have learnt that in order to use featrures like the statement "say" or the "switch" style programming structure, I have to initiate all my Perl programs with the following declaration: 

use feature ":5.10";

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Is there some sort of instructing Perl to take that as a default. I mean, if I want, for instance, to use those features from the command line, say, to use 

$ ls -l | perl -ane 'say "@F[5..7]"'

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instead of the more verbose 

$ ls -l | perl -ane 'print "@F[5..7]\n"'

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Do you have any comments on this?
Thanks!
--Sergio.

In reply to Permanent <<use feature ":5.10";>> by juliosergio

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