Front page | perl.beginners |
Postings from March 2002
From: "David Gray" <david_gray@3b2.com>
> > I am trying to figure out an easy way to sort out a array of
> > numbers: 2 20 38 56 75 93 -17 -35 -53 -72 -90 Into the following:
> > -90 -72 -53 -35 -17 2 20 38 56 75 93 I have done the following:
> > @x_step = grep { ! $x_step_t{ $_ } ++ } @x_step_t;
> > @x_step = sort {$a == $b} @x_step;
>
> You're really close:
>
> @x_step = reverse sort {$a<=>$b} @x_step;
>
> -dave
It's silly to sort one way and then reverse. Simply turn over the test:
@x_step = sort {$b<=>$a} @x_step;
But I think he wanted ascending sort.
Jenda
=========== Jenda@Krynicky.cz == http://Jenda.Krynicky.cz ==========
There is a reason for living. There must be. I've seen it somewhere.
It's just that in the mess on my table ... and in my brain
I can't find it.
--- me
Thread Previous
|
Thread Next