On Sunday 28 May 2006 12:20 am, John W. Krahn wrote:
> tom arnall wrote:
> > the following code:
> >
> >     $_='abcd';
> >     @f = /(x)(y)|(a)(b)/;
> >
> > makes the first two cells of '@f' to be undefined, then puts 'a' and 'b'
> > in the third and fourth cells. how do i get the system to put 'a' and 'b'
> > in the first two cells and to produce no undefined cells?
>
>       @f = grep defined, /(x)(y)|(a)(b)/;
>
>
> John
> --
> use Perl;
> program
> fulfillment

yes. solves my problem. how did you find out about this?

thanks,

Tom Arnall




-- 
thanks,

Tom Arnall
north spit, ca

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