I can't see why your script behaves differently when you put the login parameters in a different module but in any case, instead of mixing them all in one string, you can pass then to Net::OpenSSH as different arguments: 
my $ssh = Net::OpenSSH->new($host,
                            user => $user,
                            password => $password,
                            timeout => 10);

[download]
You can also activate debugging in order to see what is going on: 
$Net::OpenSSH::debug = -1;

[download]

In reply to Re: EXPORT and Net::Openssh by salva
in thread EXPORT and Net::Openssh by th'timmay

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