Chad Perrin wrote: > On Sun, May 28, 2006 at 03:08:07PM -0700, John W. Krahn wrote: >>tom arnall wrote: >>>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)/; >>> >>>yes. solves my problem. how did you find out about this? >> >>By programming in Perl for many years. :-) > > Did it also teach you why that's necessary?
It is not necessary, but it seemed to be what the OP wanted. John -- use Perl; program fulfillment -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>
