From: Dave Thomas <Dave@...>
Date: 2001-01-18T23:52:27+09:00
Subject: [ruby-talk:9515] Re: reading an entire file as a string

ts <decoux@moulon.inra.fr> writes:

> >>>>> "D" == Dave Thomas <Dave@PragmaticProgrammer.com> writes:
> 
> D> matz@zetabits.com (Yukihiro Matsumoto) writes:
> >> I think it won't.  there cannot be "initial offset" for each
> >> invocation of IO#read.  Do you think you need "pre-read skip offset"
> >> for IO#read?
> 
> D> Personally, I think it's go for consistency here. If you treated the
> D> offset as an absolute seek (SEEK_SET),
> 
>  ??? I don't understand
> 
>  If you use offset for a SEEK_SET on IO#read, you read always the same data 

Perhaps you have a random-access fixed-length file:

   class ErrMsg

      RECLEN=100

      def initialize(name)
         @f = File.open(name)
      end

      def msg(n)
         f.read(RECLEN, n*RECLEN)
      end
   end


Dave