It was that simple!!!

  M::hello("again") if $INC{"M.pm"};

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Is it safe to asume that double colons in module names get always translated into slashes ("::" -> "/") instead of backslashes or whatever is used by the OS for subdirs?

In reply to Re^2: Use module only if it is in use by vitoco
in thread Use a module only if it is in use by vitoco

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