ruby -v
ruby 1.8.4 (2006-04-14) [i386-mswin32]

I should also say that the same code I am using works fine on a file
of 20MB that expands to 60MB

does the zip gem (or any other gem) handle .gz files?

Thanks,
Greg

On Mar 13, 7:56 pm, "eden li" <eden... / gmail.com> wrote:
> The default decompress method works for me...
>
> $ irb -r zlib
> irb(main):001:0> File.stat('threehundred.gz').size / (1024**2)
> => 81
> irb(main):002:0> Zlib::GzipReader.open('threehundred.gz') { |r|
> File.open('threehundred', 'wb') { |f| f.write r.read } }
> => 314835846
> irb(main):003:0> File.stat('threehundred').size / (1024**2)
> => 300
>
> What version of ruby are you using?
>
> On Mar 14, 2:42 am, "greg" <eeg... / gmail.com> wrote:
>
> > I am trying to decompress a 80MB file (decompresses to 300MB), but I
> > keep getting a buffer error.  I thought I had a workaround using
> > chunks, but it fails with 20M left to go.  Any help or suggestions are
> > greatly appreciated.
>
> > in `read': buffer error (Zlib::BufError)
>
> > class Zlib::GzipReader
> >   def each_chunk(chunk_size=1024)
> >     yield read(chunk_size) until eof
> >   end
> > end
>
> > gz = Zlib::GzipReader.open(zip_file)
>
> > File.open( non_zip_file, 'wb' ) do |f|
> >   gz.each_chunk {|chunk| f.write(chunk)}
> > end