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

[Jay Hannah <jay@jays.net>]

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@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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