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  1. or download this
     
use strict;
use warnings;
...
}
## print GOOD. GOOD is defined on first "if" function.
  2. or download this
    Use of uninitialized value $test in concatenation (.) or string at d:/
+tmp/pm/my.pl line 8.
Use of uninitialized value $test in concatenation (.) or string at d:/
+tmp/pm/my.pl line 15.
...

GOOD