From: Seth Thomas Rasmussen <sethrasmussen@...>
Date: 2006-07-13T22:10:05+09:00
Subject: Re: Appending to a CSV file

Sorry about my last post sort of skipping over the whole matter of the
write mode.. you're smarter than me, though, I'm sure you'll be fine.
;-p


Bil Kleb wrote:
> ChrisH wrote:
> > Bil Kleb wrote:
> > ...
> >> She says that she can't figure out how to /append/
> >> to a CSV file using Ruby's standard library.
> > ...
> >
> > Wouldn't it just be a matter of opening the file in append mode?
>
> It would, but unfortunately CSV doesn't support 'a'
> or 'a+', viz, lib/ruby/1.8/csv.rb,
>
>       83   def CSV.open(path, mode, fs = nil, rs = nil, &block)
>       84     if mode == 'r' or mode == 'rb'
>       85       open_reader(path, mode, fs, rs, &block)
>       86     elsif mode == 'w' or mode == 'wb'
>       87       open_writer(path, mode, fs, rs, &block)
>       88     else
>       89       raise ArgumentError.new("'mode' must be 'r', 'rb', 'w', or 'wb'")
>       90     end
>       91   end
> 
> Later,
> --
> Bil
> http://fun3d.larc.nasa.gov