[Edinburgh-pm] help again with lists
chrisb at jesmond.demon.co.uk
Sun Mar 18 10:09:31 PDT 2007
On Sun, Mar 18, 2007 at 05:04:48PM +0000, Andrew Smith wrote:
> Having, I think fully understood list assignments with () and qw, I've
> moved on to dabbling with lists in code.
> Why can I not refer to the number of elements in @words1 using $words1
> in lines 6 & 7 in the attached test program ?
The clue is:
Global symbol "$words1" requires explicit package name at - line 4.
$words1 hasn't been mentioned anywhere, you need to do:
my $words1count = @words1;
And that enables the rest of the program to work:
There are 5 elements in list @words1
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