Just to add fuel to the fire: your first example will work fine if you use parentheses, like so: 

require Carp;
Carp::croak("This works fine also");

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If Perl has compiled a sub, you can drop the parentheses when calling it. Otherwise you need to leave them in. But let's not get into prototypes....

In reply to Re: 'require Carp;' has differnet meanings under 'use warnings;'? by VSarkiss
in thread 'require Carp;' has differnet meanings under 'use warnings;'? by demerphq

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