There are a couple ways to do this (suprise, suprise).
consider that your file is called 'ab.pm'
BEGIN {
require ab;
}
$a::variable;
&b::subroutine;
now, if both packages inherit from Exporter to export variables:
BEGIN {
require ab;
import a qw( $var sub );
import b qw( sub2 sub3);
}
If you only have one inheriting from Exporter, name the file after it. assuming it's called 'a.pm' and package 'a' inherits from Exporter:
use a qw( $var2 &sub );
BEGIN {
import b qw( $foo %bar );
}
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