Yes, I agree the code looks strange. Do you have any idea to do this
with a clear code? I mean to find two same letters, "p" in @a?
Xi
On Thu, Dec 29, 2011 at 10:17 PM, John W. Krahn <jwkr...@shaw.ca> wrote:
> Xi Chen wrote:
>>
>> Hello everyone,
>>
>> I saw a code below to get two same letters "p" in @a.
>>
>> @a = qw (D D p O H p A O);
>> foreach $b （@a）{
>> $n =~ /$b/i;
>> if($n>= 2){
>> $m = $b;
>> }
>> }
>>
>> But I don't know what does ">=" mean. Thank you!
>
>
> It means "greater than or equal to". The expression "$n >= 2" is true if
> the value in $n is equal to 2 or is any value greater than 2, 6 for example.
> If the value in $n is less than 2 then the expression is false.
>
> Your algorithm looks weird though because you are testing $n for the
> presence of alphabetic characters (and then not using that information) and
> then using $n in a numerical context.
>
>
>
> John
> --
> Any intelligent fool can make things bigger and
> more complex... It takes a touch of genius -
> and a lot of courage to move in the opposite
> direction. -- Albert Einstein
>
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