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require is a runtime feature. strict does a compiletime check. Since file2 used $var, but $var is declared in file1, and since file1 isn't 'loaded' until runtime, there's no way for strictures to know, when Perl compiles, that $var was declared in file1. So you get a compiletime error.

Keeping track of what order things happen in, helps to figure out what's going wrong. Here's a quick rundown of the sequence of events:

  1. Perl compiles with 'use strict' on.
  2. Perl discovers that you're using $var in, but hasn't yet loaded Strict complains.

If you had put our $var;, or use vars qw/$var/; in, strict wouldn't complain, and you'll be ok, so long as isn't a different package.


In reply to Re: strict/warnings interference with global declarations by davido
in thread strict/warnings interference with global declarations by v_o_i_d

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