Rails - Jun 2006 - Image corrupted on upload

Hi, I''m using the below method to copy/upload a file.  The outcome is
an
image with the proper dimensions but looks garbled and pixelated.  I''m 
baffled as to what''s going on.

What''s even weirder is this same function with the same image works for
my colleague.  He is using OS/10 and I am using Windows Media Center.

Any ideas?

#
#   destination is the pathname of the target
#   file is the source file
#
1   def upload_file(file, destination)
2     File.open(destination, "w") { |f| f.write(file.read) }
3   end


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I believe that you need under windows to specify that it is a binary file; 
that''s been my experience with other programming languages (C and the 
like) -- Unixen treat files as binary by default and windows as text by 
default.  Given that the same code works on OSX and not on windows, I 
believe that is the culprit.

Hope that helps,
Matt

On Thu, 1 Jun 2006, Joe Cairns wrote:
> Hi, I''m using the below method to copy/upload a file.  The outcome
is an
> image with the proper dimensions but looks garbled and pixelated. 
I''m
> baffled as to what''s going on.
>
> What''s even weirder is this same function with the same image
works for
> my colleague.  He is using OS/10 and I am using Windows Media Center.
>
> Any ideas?
>
> #
> #   destination is the pathname of the target
> #   file is the source file
> #
> 1   def upload_file(file, destination)
> 2     File.open(destination, "w") { |f| f.write(file.read) }
> 3   end
>
>
> -- 
> Posted via http://www.ruby-forum.com/.
> _______________________________________________
> Rails mailing list
> Rails@lists.rubyonrails.org
> http://lists.rubyonrails.org/mailman/listinfo/rails
>

Matthew Williams wrote:
> I believe that you need under windows to specify that it is a binary 
> file;
> that''s been my experience with other programming languages (C and
the
> like) -- Unixen treat files as binary by default and windows as text by
> default.  Given that the same code works on OSX and not on windows, I
> believe that is the culprit.
> 
> Hope that helps,
> Matt
Hey thanks for the suggestion, how would I specify that file to a binary 
in Ruby?

I found that the before and after file sizes are slightly different:
before: 71,027 bytes
after: 71,287 bytes


-- 
Posted via http://www.ruby-forum.com/.

Matthew Williams wrote:
> I believe that you need under windows to specify that it is a binary 
> file;
> that''s been my experience with other programming languages (C and
the
> like) -- Unixen treat files as binary by default and windows as text by
> default.  Given that the same code works on OSX and not on windows, I
> believe that is the culprit.
> 
> Hope that helps,
> Matt
Found it, thanks that''s exactly what it is!

Changed my filewriter and now all is well!

File.open(destination, "wb") { |f| f.write(file.read) }


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