in reply to Twofer: 'use base' vs 'use'; and SuperSearch

use base 'Something' is more or less the same as use 'Something'; push @ISA,"Something";. In other words, use base inserts the specified module as a superclass of the current package. Also use base does NOT complain if the corresponding module file (i.e. 'Something.pm') doesn't exist.

see also base and Exporter.

"What should it profit a man, if he should win a flame war, yet lose his cool?"

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Re^2: Twofer: 'use base' vs 'use'; and SuperSearch
by jbert (Priest) on Dec 15, 2006 at 10:44 UTC
    That makes base sound worse than it is. If you write: 
    #!/usr/bin/perl
use strict;
use warnings;
use base qw/Kjfnekjrn/;

    [download]
    you get: 
    Base class package "Kjfnekjrn" is empty.
    (Perhaps you need to 'use' the module which defines that package f
+irst.)
 at tt.pl line 4
BEGIN failed--compilation aborted at tt.pl line 4.

    [download]
    You're absolutely right that it isn't complaining that it couldn't find the file, but the error message is helpful and to the point, in my opinion.
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