On 10/28/07, yitzle <[EMAIL PROTECTED]> wrote:
snip
> Arrays can be set from lists and arrays get converted to lists all the time.
> Is there any practical difference? (Other than the fact that an array
> has a reference which can be passed as a scalar?)
snip
There are several key differences and
On Sunday 28 October 2007 16:13, Jo for Groups and Lists wrote:
> What I want are these array members from a string in a database. I'm
> almost there, just need to strip off the trailing pipe, but I am
> getting empty members too, so will have to test for that and dump the
> empty ones before proce
That perldoc has said, a list is a value while an array is a variable.
so [EMAIL PROTECTED] get what you wanted but \(1,2,3) returns each elements'
reference.
also @array = (1,2,3) will convert a list to an array automatically,
and mysub(@array) will set an array as a list automatically.
and you
Oops. Duly noted.
Functions/Subs return lists, not arrays.
But then again, grep() takes a list, and not an array :)
Arrays can be set from lists and arrays get converted to lists all the time.
Is there any practical difference? (Other than the fact that an array
has a reference which can be passe
On 10/29/07, yitzle <[EMAIL PROTECTED]> wrote:
> split() returns an array.
split returns a list not an array.
perldoc -q 'What is the difference between a list and an array?'
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split() returns an array.
You can use the grep() function to filter an array based on a RegEx,
eg empty string (/^$/)
@arr2 = grep !/$^/, @arr1;
This will make @arr2 hold everything in @arr2 except empty elements.
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