Thanks for all.maybe I would use Benchmark.pm <http://benchmark.pm/> to find
out a good choice.
And, I have another syntax question here. I can't know clearly the
difference between eval "" and eval {}. I have run "perldoc -f eval" and
read it,but still can't know clearly.Can you help me on this?
On 12/6/05, Bob Showalter <[EMAIL PROTECTED]> wrote:
>
> Jennifer Garner wrote:
> > Hi,lists,
> >
> > I have a small script,when it run,it generate much more lines and put
> > them
> > into a file.
> > The code for printing I writed:
> >
> > map { print RESULT $_,":",$ips{$_},"\n" }
> > sort { $ips{$b} <=> $ips{$a} } keys %ips;
>
> I would write it like this:
>
> print RESULT "$_:$ips{$_}\n"
> for sort { $ips{b} <=> $ips{$a} } keys %ips;
>
> >
> > Certainly, I can write that code with foreach style.
> > I want to know which method is more effective between foreach and map?
>
> I don't know without benchmarking, but map() is typically used to build
> a resulting
>
