eval array of required modules

halfcountplus has asked for the wisdom of the Perl Monks concerning the following question:

I'm trying to do this (the examples are core modules just to make the point):

no strict;
my @required = (
    File::Basename,
    File::Copy,
    File::Find
);
use strict;
my @missing;
foreach (@required) {
    eval { require };
    push @missing, $_ if $@;
}
[download]

But it does not work ("Can't locate File::Basename..." etc). What's the problem and is there any way around it?

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