On Monday, April 15, 2002, at 01:17 PM, Alex S wrote:
> I think he was just "stirring up" debate on the lack of "my" in
> the latter
> example. Ie, not declaring variables (and thus scope).
There are no scoping problems with that example. The $_
variable is automatically localized.
> On Mon, 15 Apr 2002 12:39:37 +1000, Ken Williams wrote:
>
>>>> Code B:
>>>> foreach (@array) { $_++ }
>>>
>>>
>>> Do my vars suddenly spring into existence now?
>>
>> Huh? I'm not sure what you mean. If you don't indicate an
>> iterator variable, $_ will be used, and its scope will be
>> localized to the execution block of the 'foreach' loop.
>>
>> See the section on "Foreach Loops" in the 'perlsyn' man page for
>> the details.
-Ken
