markschum: yes indeed, and thanks. My programming skills may be very rusty, but all they need is a bit of oiling! I'm sure that I'd have realised sooner or later (probably later) that my 'j' was unnecessary, so a nudge in the right direction is always handy.

parrotdolphin: I'd almost forgotten how much 'fun' programming was! ;o)

bagginsbill: as usual your advice has turned out to be spot on! Python scripting definitely seems to be the best way to do this.

Hopefully I'll upload the modified script(s) in the next few days

(Note to self: if syntax error check for colon at end of loop/conditional statement)

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The 3Dcheapskate* occasionally posts sensible stuff. Usually by accident.
And it usually uses Poser 11, with units set to inches. Except when it's using Poser 6 or PP2014, or when its units are set to PNU.

*also available in ShareCG, DAZ, and HiveWire3D flavours (the DeviantArt and CGBytes flavour have been discontinued).