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Re^2: how to improve: use MODULE VERSION LIST

by ikegami (Pope)
on Jan 09, 2017 at 14:23 UTC ( #1179217=note: print w/replies, xml ) Need Help??

in reply to Re: how to improve: use MODULE VERSION LIST
in thread how to improve: use MODULE VERSION LIST

That's not true. In order to determine the version of a module, Perl must first load it. As such, Perl can't load anything but the first module of a given name it find, even if a version if specified.

$ cat Foo/ package Mod; $VERSION = 1; 1; $ cat Bar/ package Mod; $VERSION = 2; 1; $ perl -e'use lib qw( Foo Bar ); use Mod 2;' Mod version 2 required--this is only version 1 at -e line 1. BEGIN failed--compilation aborted at -e line 1.

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