From: Joe Van Dyk <joevandyk@...>
Date: 2005-08-04T05:41:47+09:00
Subject: Re: [Rails] RMagick problem

On 8/3/05, Pit Capitain <pit@capitain.de> wrote:
> Joe Van Dyk schrieb:
> > I still have no idea why it's giving me "Zero-length blob
> > not permitted" for this line:
> > @magick_image = Magick::Image.from_blob(@file.read).first
> >
> > What's weird is that if I leave out the .first method call, I don't
> > get that error.  But if I print out the size of @file.read.size, and
> > then call the Image.from_blob line, then I get the Zero-length blob
> > error.
> >
> > It's driving me crazy.  :(
> 
> I hope it's not too late :-) If you call @file.read.size, shouldn't you
> then do a #rewind before reading again?

Hm, dunno.  I'll try it when I get home.  I just added the print
statement to debug it.  It was failing before adding the 'puts
@file.read.size' line.