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The perl version of that is

unless (caller) { ... }

If you put a block like that in the main part (ie, not in a sub, preferably right before the true value that all modules end with) of a .pm file you can do

perl Module.pm

And it will execute, but if its loaded via use Module; it won't.

I think thats what you are after anyway.

You _could_ use if ($0 eq __FILE__) { ... } I suppose, but the problem there is that __FILE__ probably will be fully qualified, but $0 might not be.

Having said all of that, module test code in perl doesnt normally go in such a block. Its more for quick debug/test code that you use during development. If you want to test your code properly you should use the test framework that comes with perl.

Update: switched the 'if' to an 'unless' as per happy-the-monks correction.

---
$world=~s/war/peace/g


In reply to Re: Self Testing Modules by demerphq
in thread Self Testing Modules by Sheol

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