How about changing:
my $tee = new IO::Tee(\*STDOUT,
          new IO::File(">>$config::logfile"));

[download]
to (update: fixed typo per reply):
my $fh = IO::File->new(">>$config::logfile") or die "Failed to open $c
+onfig::logfile: $!";
my $tee = IO::Tee->new(\*STDOUT, $fh) or die "Failed to create tee: $!
+";

[download]

In reply to Re^5: Undefined Value as Symbol reference by runrig
in thread Undefined Value as Symbol reference by PilotinControl

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