[Omaha.pm] Quick shorter code tip: for() {}

[Jay Hannah]

Iterating over @row is additional "overhead," but not enough that you'd 
ever notice. The most efficient code on the planet is also the least 
readable/maintainable, so you have to strike a balance wherever you're 
comfortable.

j


On May 29, 2004, at 4:12 PM, Ted Kat. wrote:
> nice!
>
> but which has less overhead?
>
>
> --- Jay Hannah <jay at jays.net> wrote:
>>
>> This came up at work this week...
>>
>> j
>>
>>
>> BEFORE:
>>
>>      while (($item_code,$enabled,$descript) = $sth->fetchrow_array)
>>      {
>>          $item_code =~ s/[^ -~]//g;
>>          $item_code =~ s/\s+$//;
>>          $enabled =~ s/[^ -~]//g;
>>          $enabled =~ s/\s+$//;
>>          $descript =~ s/[^ -~]//g;
>>          $descript =~ s/\s+$//;
>>
>> AFTER
>>
>>      my @row;
>>      while (@row = $sth->fetchrow_array)
>>      {
>>          for (@row) {
>>             s/[^ -~]//g;
>>             s/\s+$//;
>>          }
>>          ($item_code,$enabled,$descript) = @row;
>>
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>