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Re^6: The error says the value is uninitialized, but it works anyway

by afoken (Canon)
on Aug 18, 2019 at 22:08 UTC ( #11104664=note: print w/replies, xml ) Need Help??

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  1. or download this
    >perl -E '%h=map{ $_ => 1 } qw( a b c d e f ); while ($k=each %h) { sa
    +y $k }'
    a
    ...
    e
    
    >
    
  2. or download this
      KILL ^H
      SET ^H("D")=1
    ...
      .W K
      W !
      ; ^-- writes "CDE", all keys of ^H following "B" and stopping at the
    + end of keys or at the first key sorting after "E", in order
    

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