I just thought of another way: select. 
if ( @ARGV ) {
   my $file = shift(@ARGV);
   open(my $fh, "> $file")
      or die("Unable to open output file \"$file\": $!\n");
   select($fh);
}

print "this is a test\n";

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In reply to Re: assign File Handles to Scalar Variables (select) by ikegami
in thread assign File Handles to Scalar Variables by Anonymous Monk

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