Daniel Gross wrote, on Thursday, April 03, 2003 08:45
: > push @{$dirHash{$prefix}}, $item;
: Seems to work. It doesn't generate a syntax error. So, value elements
: within a hash are always references?
:
: BTW, in your opinion would this also work when $dirHash{$prefix} is
: undefined (i.e.
Daniel Gross wrote:
> Seems to work. It doesn't generate a syntax error. So, value elements
> within a hash are always references?
no, but they are always scalars :)
> BTW, in your opinion would this also work when $dirHash{$prefix} is
> undefined (i.e. when no key was defined yet?)
perl has a
eph P. Discenza [mailto:[EMAIL PROTECTED]
Sent: Thursday, April 03, 2003 8:36 AM
To: Daniel Gross; [EMAIL PROTECTED]
Subject: RE: Hash of arrays
Daniel Gross wrote, on Thursday, April 03, 2003 08:34
: I running into problems again: This time I'd like to fill a hash with
: arrays, however, the foll
"Daniel Gross" <[EMAIL PROTECTED]> writes:
> I running into problems again: This time I'd like to fill a hash
> with arrays, however, the following push command generates a
> syntax error. Any idea why
> My %dirHash = ();
> foreach my $item(@dirArray) {
> $prefix = substr($item, 0,4);
>
Daniel Gross wrote, on Thursday, April 03, 2003 08:34
: I running into problems again: This time I'd like to fill a hash with
: arrays, however, the following push command generates a syntax error.
: Any idea why
:
: My %dirHash = ();
:
: foreach my $item(@dirArray) {
: $prefix = substr($item
Hello all,
I running into problems again: This time I'd like to fill a hash with
arrays, however, the following push command generates a syntax error.
Any idea why
My %dirHash = ();
foreach my $item(@dirArray) {
$prefix = substr($item, 0,4);
push @dirHash{$prefix}, $item;
}
Thanks
Dan
# I have a program that gets a hash from an API call.
# the format of the hash is that each key corresponds to an
# array. The following code snippet illustrates the data:
$href->{One} = [1,2,3,4];
print ref($href)."\n";
print ref($href->{One})."\n";
# I would like to simplify the syntax to use a
- Original Message -
From: "Peter Eisengrein" <[EMAIL PROTECTED]>
> That just adds a field to my output, like so:
>
> 7943641|ARRAY(0x1b9efb8)||
>
>
> Perhaps I'm contructing it wrong? I'm doing it like this...
>
> @_=$features{$dn};
> push(@_,$line[1]);
> $features{$dn}=\@_;
>
BINGO! Thanks Rob.
> -Original Message-
> From: Hanson, Robert [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, January 16, 2002 10:58
> To: 'Peter Eisengrein'
> Subject: RE: hash of arrays
>
>
> Hmmm...
>
> If $features{$dn} is a reference to
OTECTED]]
> Sent: Wednesday, January 16, 2002 10:43
> To: 'Peter Eisengrein'; Perl-Win32-Users Mailing List (E-mail)
> Subject: RE: hash of arrays
>
>
>
> This is what you want...
>
> foreach my $dn (keys %features)
> {
> my @features = @{$features
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