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Testing whether an array has any elements in it - PERL Beginners

Hi, Is there any efficient way to do that? Regards, Edward WIJAYA SINGAPORE...

  1. #1

    Default Testing whether an array has any elements in it

    Hi,

    Is there any efficient way to do that?

    Regards,
    Edward WIJAYA
    SINGAPORE
    Edward Guest

  2. #2

    Default Re: Testing whether an array has any elements in it

    On 8/5/2004 11:39 PM, Edward Wijaya wrote:
     

    scalar( array )

    Returns the number of elements in an array. It is a constant time
    operation; the number of elements is stored as part of the internal data
    structure, so it's just a lookup.

    Randy Guest

  3. #3

    Default Re: Testing whether an array has any elements in it

    Edward Wijaya wrote: 

    Hello,
     

    if ( array ) {
    print "\array has elements.\n";
    }
    else {
    print "\array is empty.\n";
    }


    John
    --
    use Perl;
    program
    fulfillment
    John Guest

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