P.S. sorry I ought to further precise my question:
From what I have not I can execute pymol in batch mode together with
the py script and pdb
pymol my.pdb center_of_mass.py -d 'select all;com all' -c >> log.txt
which gives me log.txt contained COM for each model in the following format:
State
Dear Pymol Users,
I am using the Centre of mass python script found in PymolWIKI with
the aim to calculate the centre of mass of the loaded ligand
structure. Could you tell me if it would be possible to apply this
script on the multi_model pdb loaded in pymol in the similar way and
to obtain XYZ
