ptopath project_in.pto project_out.pto
Rewrites 'n' parameters of 'i' lines, swapping absolute paths with paths relative to the .pto file itself
ptopath <pto-file> <pto-file>
(input and output can be the same file)
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
Bruno Postle, <bruno (at) postle.net>