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Next: shmctl ID,CMD,ARG
Shifts the first value of the array off and returns it, shortening the array by 1 and moving everything down. If there are no elements in the array, returns the undefined value. If
ARRAY is omitted, shifts the |
@ARGV array in the main program, and the
@_ array in subroutines. (This is determined lexically.) See also
unshift() do the same thing to the left end of an array that
push() do to the right end.
Source: Perl builtin functions
Copyright: Larry Wall, et al.
Previous: setsockopt SOCKET,LEVEL,OPTNAME,OPTVAL
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