#!/usr/bin/bash

runvasp="mpirun -np 4 vasp_gam"

#c initialize RNG
aaa=$(echo "RANDOM_SEED =         817605623                0                0" )

step=1

while [ $step -le 6 ]
do
  cp POSCAR POSCAR.$step
  cp INCAR.init INCAR
  echo $aaa >> INCAR

  $runvasp

  #c extract seed of RNG from the last step
  aaa=$(grep RANDOM_SEED REPORT|tail -1 )

  #c save important output files
  cp REPORT report.$step
  cp vasprun.xml vasprun.xml.$step

  cp CONTCAR POSCAR

  let step+=1
done
