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| pop
- pop ARRAY
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- pop
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Pops and returns the last value of the array, shortening the array by
one element. Has an effect similar to
$ARRAY[$#ARRAY--]
If there are no elements in the array, returns the undefined value
(although this may happen at other times as well). If ARRAY is
omitted, pops the @ARGV array in the main program, and the @_
array in subroutines, just like shift.
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