#!/usr/bin/tcsh

setenv ngb 40
setenv ngbmax 400
while ($ngbmax >= $ngb) 
   cat box.ini | sed "s|XXXX|${ngb}|g" > box.param
   mpirun -np 1 OpenGadget3/P-Gadget3 box.param
@ ngb = ${ngb} + 1
end