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  1. or download this
    >perl -wMstrict -le
"my $hr = { 'Node' => 'TestServer' };
...
'Node'
Use of uninitialized value $k in concatenation (.) or string at -e lin
+e 1.
''
  2. or download this
    >perl -wMstrict -le
"my $hr = { 'Node' => 'TestServer' };
...
"
'Node'
'Node'