Let's go back to basics. To use autouse, you have to have a module that if you said use Login qw(login), it'd define and export a login() subroutine. Yes, that means you have to use Exporter in the proper fashion. I don't see that there.

Fix up your Login.pm file to be a proper module. Then try playing with autouse again. Something like:

## Login.pm
package Login;
use base qw(Exporter);
@EXPORT_OK = qw(login login2);
sub login { ... }
sub login2 { ... }
1;
## main:
use autouse Login => qw(login login2);
...
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