Subject: | Error message: Use of uninitialized value $_ in concatenation (.) or string at .../CPAN/HandleConfig.pm line 523. |
You don't have to have $ENV{HOME} - most Windows systems don't. If not,
then this error happens.
To solve this, line 521 of CPAN::HandleConfig needs to be:
push @dirs, $ENV{HOME} if $ENV{HOME};
or something of the like.