diff options
Diffstat (limited to 'pod/perllol.pod')
| -rw-r--r-- | pod/perllol.pod | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/pod/perllol.pod b/pod/perllol.pod index 1de3b1ad74..0e6796b50f 100644 --- a/pod/perllol.pod +++ b/pod/perllol.pod @@ -26,7 +26,7 @@ a declaration of the array: bart Now you should be very careful that the outer bracket type -is a round one, that is, parentheses. That's because you're assigning to +is a round one, that is, a parenthesis. That's because you're assigning to an @list, so you need parentheses. If you wanted there I<not> to be an @LoL, but rather just a reference to it, you could do something more like this: @@ -144,17 +144,7 @@ you'd have to do something like this: push @$ref_to_LoL, [ split ]; } -Actually, if you were using strict, you'd have to declare not only -$ref_to_LoL as you had to declare @LoL, but you'd I<also> having to -initialize it to a reference to an empty list. (This was a bug in -perl version 5.001m that's been fixed for the 5.002 release.) - - my $ref_to_LoL = []; - while (<>) { - push @$ref_to_LoL, [ split ]; - } - -Ok, now you can add new rows. What about adding new columns? If you're +Now you can add new rows. What about adding new columns? If you're dealing with just matrices, it's often easiest to use simple assignment: for $x (1 .. 10) { @@ -310,4 +300,4 @@ perldata(1), perlref(1), perldsc(1) Tom Christiansen <F<tchrist@perl.com>> -Last udpate: Sat Oct 7 19:35:26 MDT 1995 +Last update: Thu Jun 4 16:16:23 MDT 1998 |