[Bug 401096] Re: Weird "buffering" of scanned pages with scanimage frontend

[Matt Zimmerman]

On Wed, Jul 29, 2009 at 06:30:51AM -0000, Jeffrey Ratcliffe wrote:
> It seems to me that gscan2pdf is trying to read the image before it has
> been fully written.
> 
> scanimage was modified in 1.0.20 to buffer the image, and to write it
> only when complete.
>
> Please try the attached patch, which flushes the filesystem buffers
> immediately before importing the image.

I'll try this the next time I'm at the scanner.

> If this doesn't work, the only other idea I have is to hack the import
> code to monitor the image as it is written and only import it when the
> file size matches the PNM header. But this will be quite a bit of work.

How about having scanimage write the image to a pipe, so we can detect EOF,
rather than to a temporary file?

-- 
 - mdz

-- 
Weird "buffering" of scanned pages with scanimage frontend
https://bugs.launchpad.net/bugs/401096
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