chen li wrote:
>>>4)my $mean = do { my $s; $s += $_ for @data; $s /
>>>@data };
>
> I never see the usage of "for" like this before. Is it
> equal to the following?
Yes, except that above $s is only visible inside the code block while below $s
is visible to the file.
> And where can I find some more
> like this?
See the "Statement Modifiers" section in:
perldoc perlsyn
> my $s;
> for(@data){$s += $_ ;}
> my $mean=$s/@data;
John
--
use Perl;
program
fulfillment
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