Undef or Destroy?

[Pablo Fischer]

Hi!

I have a foreach that's looking for files in a directory, if foreach find a 
file I need to load it (with the function &load_file()), however, I have this 
in load_file:

sub load_file {
    my $this = shift;
    $this->{FILE_ZIP} = $_[0];
}

But, If its the second file I would like to delete the last FILE_ZIP, so, 
whats better before loading the filename in FILE_ZIP:

$this->{FILE_ZIP} = undef;

or

delete $this->{FILE_ZIP}

Thanks!
Pablo
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Pablo Fischer Sandoval ([EMAIL PROTECTED])
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