also sprach Jeffrey Ratcliffe <jeffrey.ratcli...@gmail.com> [2010.01.08.0024 +1300]: > I was thinking of the situation where gscan2pdf needs some input > during the process. For instance - my scanner has a simplex ADF. > To scan both sides, I set the scan options to manual duplex, > facing side, scan the facing pages, which numbers them 1..n in > steps of 2, set the options to reverse side, turn over the paper, > and scan the reverse sides, which numbers them from n+1..2 in > steps of -2.
Same here.
> How would you want to deal with this from a user-input point of
> view? Or do you want to discount any situations like this as too
> complicated, just dealing with scan, process, save operations?
Well, theoretically, it would be trivial, either with two
invocations, or by designing the command line parsing such that you
can make it iterate twice with a wait-for-keypress in between, e.g.
gscan2pdf-cli --dpi 300 --mode Grey … --batch --duplexmode Odd \
--wait --duplexmode Even
Either that, or have an interactive prompt.
I can see how I am starting to talk about an entirely different
product than gscan2pdf though. I just don't really want to duplicate
all the functionality because fundamentally, gscan2pdf does
everything I need.
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