[sane-devel] scanbd with sane backend - howto read buttons?

[m. allan noah]

Button support is entirely dependent on which sane backend is in use.
Not all backends support buttons, even if they are on the scanner.

allan

On Fri, Sep 20, 2013 at 1:35 AM, Ilya V. Ivanchenko <iva2k at yahoo.com> wrote:
> Is there a way to query button states in command line from sane or scanbd
> with sane backend?
>
> I want to see that I can read buttons first, then attempt again to configure
> scanbd with sane backend. So far I failed to get any response to buttons via
> sane backend.
>
> I checked "scanimage -h | grep button", and it reports only
> --wait-for-button (which is just to pause the scan until user presses a
> button on the scanner).
>
> The only hint I've got is "scanimage -A | grep button" which returns
> "--monitor-button[=(yes|no)] [no] [read-only]".
>
> Both manpage and scanimage --help are mum on the topic. Google is of no help
> either.
>
> --
> Ilya
>
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