From: Jeff Boulter <jeff@bo...> - 2004-11-18 04:55:07
OK smart guys, I've got a question for you.
I have a GPX file from a Pocket Query. So far, so good.
I have another GPX file, which happens to be exported from mapsource,
but it the important part is it has the GC waypoint ID in the <name> tag.
What I want to do is filter the pocket query based on the list of
waypoints in the second file.
So if the PQ has points A, B, and C, and the second file has points A,
B, and D, the resulting file should have points A and B. "Extra"
waypoints in the second file shouldn't be included.
I started out with
gpsbabel -i gps -i pq.gpx -i filter.gpx -x,duplicate,shortname -o gpx
but that's an inclusive filter. I think what I need to do is pipe
gpsbabel invocation into another, but not quite sure about the right magic.
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