For most practical purposes, you can treat a namespace exactly as if it were a hash.
sub capsule {
my($capsule_name, $file) = @_;
my $src = slurp $file;
eval "package $capsule_name; \n#line 1\n$src" or die $@;
}
[...]
capusle("Foo", "foo.pl");
print $Foo::{text};
An alternative is to load everything into a dummy package with a throwaway name, then to export everything out of it. Of course, both these proposals break if foo.pl switches namespaces itself, and that's hard to catch.
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