Rubystandard library question

Rails
1

I have a problem getting find.rb and fileutils.rb to coexist in the
same script. When I require both I get the following:

/usr/lib/ruby/1.8/find.rb:36:in dup': can't dup NilClass (TypeError) from /usr/lib/ruby/1.8/find.rb:36:infind’
from /usr/lib/ruby/1.8/find.rb:36:in `find’

I googled for this problem and did not come across any place (in
English at least) that covered it. I am still ploughing through
the tutorials on Ruby and Rails and, given the extraordinarily high
amount of traffic on the ruby list, was wondering if anyone here
could tell me what I am doing wrong. Do I have to provide a
namespace? How?

Regards,
Jim

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2

On Feb 3, 2006, at 11:08 AM, James B. Byrne wrote:

I have a problem getting find.rb and fileutils.rb to coexist in the
same script.

That should not be a problem. Likely you are doing something wrong.

When I require both I get the following:

/usr/lib/ruby/1.8/find.rb:36:in dup': can't dup NilClass (TypeError) from /usr/lib/ruby/1.8/find.rb:36:in find’
from /usr/lib/ruby/1.8/find.rb:36:in `find’

If you don’t pass a nil value into Find::find you won’t have this error.

What is the full backtrace including a small script to illustrate the
problem.

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