On Mon, 4 Jun 2001, Doug Johnson wrote:
> In an array to find the number of elements in an array I :
>
> print "$#array\n";
Nope, not quite. It returns the index of the last element. Putting your
list in a scalar context is a better way:
my $array_cnt = @array
This is what foreach does when you do this:
foreach(0..@array) {
> Is there a similar way to find the number of keys in a hash without cycling
> through them and without assigning the hash to an array?
Use the keys function -- it returns the number of keys when used in a
scalar context:
my $key_count = keys %HASH;
See 'perldoc -f keys' for more details.
-- Brett
Brett W. McCoy
Software Engineer
Broadsoft, Inc.
240-364-5225
[EMAIL PROTECTED]
