I’ve finished my tutorial on doing bulk operations on files using cygwin:
http://pointless.net/eoc/cygtut/
Includes:
Converting all the .ftu files in a directory to .iff
Converting all the .ftu files in the resource directory to .iff
Converting all .pso files in the resource directory to .lwo
Very rough around the edges atm, let me know if you spot any particulary glaring mistakes!
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If there is hope it lies with the demo scene.
PSO and FTEX tools: http://pointless.net/eoc/