I know Perl doesn't have an #include directive.

Instead, you're supposed to use use Foo; or require "Foo.pm"; or even do "Foo.pm";. Unfortunately, all of these seem to have side effects and semantics which conflict with one handy use of #include: organizing large flat modules into more manageable chunks.

I tried doing something like the following, but the value of __PACKAGE__ was not 'Mod' inside Mod-part1.pm, as I would have expected. Instead, it was of value 'main'. Thus, all the subs in Mod-part1.pm are added to the wrong namespace.

Mod.pm: 

package Mod;
use base 'Meta';
...

require "Mod-part1.pm";
require "Mod-part2.pm";
__END__
=pod
...
=cut

[download]

Mod-part1.pm: 

BEGIN { print __PACKAGE__, $/ }
sub one { ... }

[download]

Mod-part2.pm: 

BEGIN { print __PACKAGE__, $/ }
sub two { ... }

[download]

Of course, this example is minimal; my example module has about six large subs in each of about six parts, all of which must (unfortunately) be in the same module namespace.

If I reassert the package name at the beginning of a part file, it loses all of the other common preparatory code like use base or other modules.

Any ideas on how I can avoid 4000 lines of many module subs in one source file?

--
[ e d @ h a l l e y . c c ]

In reply to organizing large flat modules? use, require, do, ... by halley

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.