printmachinefile

function printmachinefile(){
  nodelist=$(echo $SLURM_JOB_NODELIST | sed 's/node//' )
#  echo "#nodelist=$nodelist"
  nodelist=$(echo $nodelist | cut -d "[" -f2 | cut -d "]" -f1)
#  echo "#nodelist=$nodelist"
  ntpn=$((SLURM_NTASKS  / SLURM_JOB_NUM_NODES))
  IFS=','

  read -ra ADDR <<< "$nodelist"    # str is read into an array as tokens separated by IFS
  for elem in "${ADDR[@]}"; do    # access each element of array
#    echo "#elem=$elem"
    if echo $elem | grep -q "-"
    then
      first=$(echo $elem | cut -d "-" -f1 | sed 's/^0*//')
      last=$(echo $elem | cut -d "-" -f2 | sed 's/^0*//')
#      echo "#first=$first last=$last"
      for (( nodeidx=first; nodeidx<=last; nodeidx++ ))
      do
        for (( j = 0; j < $ntpn; j++ ));
        do
          #echo "node0$nodeidx"
          printf "node%02d\n" $nodeidx
        done
      done
    else
      for (( j = 0; j < $ntpn; j++ ));
      do
        printf "node%02d\n" $elem
      done
    fi
  done
}