Perl Data Language is a historical programming language created in 1996.

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Example code from Wikipedia:

perldl> $x = pdl [[1, 2], [3, 4]];
 
  perldl> $y = pdl [[5, 6, 7],[8, 9, 0]];
 
  perldl> $z = $x x $y;
 
  perldl> p $z;
 
  [
   [21 24  7]
   [47 54 21]
  ]
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Last updated February 11th, 2019