In my app I just call the other mode from inside of my analog of login_submit: 
sub login_submit{
my $self = shift;
.
.
.
    if(badlogin()){
        return $self->login();
    }
}

[download]
Update: Added 'return' (following rchiav).

In reply to Re: CGI::Application design strategy by zby
in thread CGI::Application design strategy by BUU

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