2007/7/31, Michael W. Ryder <_mwryder / worldnet.att.net>:
> Alex Young wrote:
> > Michael W. Ryder wrote:
> >> I am trying to create a method that would allow one to skip x number
> >> of a character then change the next y number of a character.  While
> >> trying to create a simple routine I ran into two "weird" problems.
> >> The code follows:
> >>
> >> a = "1 2 1 3 1 4 1 5 1 6 1 7"
> >> ns = 2, nc = 2
> >>
> >> i = 0, il = a.length, xs = 0, xc = 0
> >> while xs < ns
> >>   if a[i, 1] == "1"
> >>     xs += 1
> >>   end
> >>   i += 1
> >> end
> >>
> >> puts a[i, -1]
> >>
> >> In this incarnation trying to run the code returns the following
> >> error: testing.rb:5:in `<': comparison of Fixnum with Array failed
> >> (ArgumentError).  If I change ns in the while statement to 2 I get the
> >> following error: testing.rb:6:in `[]': can't convert Array into
> >> Integer (TypeError).
> >>
> >> I can't see why statement 5 (the while statement) thinks that ns is an
> >> array when it is clearly defined as an integer.
> > It's not, though - run just this line, and check the values of ns and nc:
> >
> > ns = 2, nc = 2
> >
> > I think you want:
> >
> > ns, nc = [2,2]
> >
>
> Or ns =2; nc =2.  I knew it had to be something simple.  Thats the
> problem with programming in multiple languages at the same time, they
> each do the same things slightly differently.  Thanks for pointing that out.

These are options, too:

ns, nc = 2, 2
ns = nc = 2

Kind regards

robert