I can't believe I just beat John in perl golf, by 14 strokes!
(Anyone who knows me knows I just got lucky on that hole...)
- B
> chen li wrote:
>> Dear all,
>
> Hello,
>
>> I want to calculate the mean of an array. I know how
>> to let the job done by using a loop. But I just wonder
>> if Perl has the short-cut/built-in function for this.
>>
>> my @data=(1,1,1);
>>
>> mean=(1+1+1)/3=1;(Any perl built-in function for
>> this?)
>
> my $mean = do { my $s; $s += $_ for @data; $s / @data };
>
>
> John
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