Re^3: golf: shortest way to parse a pipe delimited file

in reply to Re^2: golf: shortest way to parse a pipe delimited file
in thread golf: shortest way to parse a pipe delimited file

this fails by giving an empty hash entry.

$VAR1 = {
          '' => [],
          'aaa' => [
                     'bbb',
                     'ccc'
                   ],
          'foo' => [
                     'bar',
                     'baz'
                   ]
        };
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