You might also want to consider testing the success of your open before going on. That is, replace 
open (LOG, ">>test.out");

[download]
with 
open (LOG, ">>test.out") or die "Failed to open test.out: $!";

[download]

In reply to Re: Problems with Filehandles and TeeOutput by apl
in thread Problems with Filehandles and TeeOutput by hkpatv

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