Andrew Gaffney wrote:
> david wrote:
> > Andrew Gaffney wrote:
> >
> >
> >>I've got an array reference and I'm trying to figure out how many elements
> >>are in it. I've tried '$#arrayref', '[EMAIL PROTECTED]', '$(@($arrayref))', and
> >>probably a few others that I've forgotten. What is the correct way to do
> >>this?
> >
> >
> > you can try @{EXP} or $#{EXP}+1 where EXP is your array reference:
> >
> > [panda]# perl -le 'print $#{[1,3,5,7]}+1'
> > 4
> > [panda]# perl -le 'print @{[1,3,5,7]}+0'
> > 4
> > [panda]#
> >
> > the '{}' is sometimes optional depends on EXP, i usually use it for personal
> > perference.
>
> '$#{$arrayref}+1' worked for me. Thanks. Once again, I don't know what I'd do
> without the
> people on this list.
Way too complicaqted, I'd say. Just put it in scalar context by assigning the array
referenced by it to a scalar:
Greetings! E:\d_drive\perlStuff>perl -w -Mstrict
my @elements = (1, 'two', 'three', 4);
my $array_ref = [EMAIL PROTECTED];
my $count = @$array_ref;
print "$count\n";
^Z
4
Joseph
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