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[Ron Clarke <ariadne AT earthlink.com.au>]

Hi Sindi,

On Wed, 22 Mar 2006 01:48:06 +0000 (UTC)
sindi keesan <keesan AT sdf.lonestar.org> wrote:

> I have a pdf file made by scanning a document (Bach Partita for keyboard 
> No. 5 which I hope eventually to record as midi using Rosegarden) that I 
> can convert with netpbm or gs (pdfimages or similar) to 20 sequentially 
> numbered pbm files (black and white bit-mapped) which I can print one at a 
> time with
> ljtopbm filename.pbm > /dev/lp0
> (plus a switch for resolution since the default is 150 dpi).
> 
> I want to print the even numbered files and then turn over the stack and 
> print the odd numbered files starting from the highest number, for 
> instance print 0, 2, 4, 6, 8.....20 and then turn over and print 19 17 
> 15.......1 so I can use a three-ring binder and flip pages and see two 
> pages at one time.  (Otherwise I could print the first 10 pages then turn 
> over and print the last 10).
> 
> I could split it up into two parts:
> 
> ljtopbm filename.pbm > filename.lj; cat filename.lj > /dev/lp0
> 
> for i in *;  do ljtopbm $i.pbm > $i.lj; done      ?????
> 
> But then how do I add 2 to a filename ending in 2 digits and cat the 
> result to the printer?
> 
> Would there be a print buffer problem if I sent 20 pages to the printer at 
> once?  Gs is so slow to convert that it is the bottleneck, not the 
> printer.
> 
> All suggestions welcome, even if they require gs or xpdf to print.

    I do this sort of thing all the time.

    I load up the .PDF file into xpdf, and press the print icon.  This 
creates a .PS file.
I load the ,PS file into gs which has the ability to mark odd (or even) 
numbered pages, then "print marked".
Turn the paper stack over, change the marking and print the new "marked".

    This is in BL2, of course.

Regards,
          Ron

-- 
Ron Clarke 
AUSREG Consultancy      http://www.ausreg.com
Tadpole Tunes           http://tadpole.mytunebook.de/
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