Batch jobs

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Batch jobs

Mohit kumar-5
Hi All,

What exactly is meant by batch jobs with respect to scanners? And what
all source options are valid for batch job capability?

Why doesn't SANE have a standard for source option names? Wouldn't it
become easier for everybody, whether backend or frontend, if the
source options have standard names and there is a flexibility to add
new names depending upon whether it already exists or not?

And since we do not have a standard, is it possible that the options
is saneopts.h is also not respected by various scanner drivers?

Thanks,
Mohit

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Re: Batch jobs

Henning Meier-Geinitz
Hi,

On Mon, Jun 13, 2005 at 05:42:34PM +0530, Mohit Kumar wrote:
> What exactly is meant by batch jobs with respect to scanners?

Maybe: Scan more than one image without user interaction.

> And what all source options are valid for batch job capability?

Any. While batch scanning is most useful with automati document
feeders it can be used with normal flatbed scanning also. I've used
that for fast copying of documents (exchnage the document during the
scan slider moves back).

> Why doesn't SANE have a standard for source option names? Wouldn't it
> become easier for everybody, whether backend or frontend, if the
> source options have standard names and there is a flexibility to add
> new names depending upon whether it already exists or not?

Already included in SANE standard version 2. For details see website
and sane-devel archive.

> And since we do not have a standard, is it possible that the options
> is saneopts.h is also not respected by various scanner drivers?

saneopts.h is only a proposal. Only the options mentioned in the SANE
standard must be implemented in the way defined there (if they are
implemented at all).

Bye,
  Henning

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