anchor.diff:  rem By default use gpu
   set EXTRANONAOPTIONS="-g"
   set EXTRAENBLENDOPTIONS="--gpu"
  +rem Debug enable/disable
  +set DEBUG=""
   
   rem Process arguments
   set PARAMCOUNT=0
  
positive.code: # Source:
  # http://stackoverflow.com/questions/5195607/checking-bash-exit-status-of-several-commands-efficiently
  run_command() {
    "$@"
    local status=$?
    if [ $status -ne 0 ]; then
      echo "Error while running $1" >&2
  
negative.code: # Default - we use GPU
  EXTRANONAOPTIONS="-g"
  EXTRAENBLENDOPTIONS="--gpu"
  # Debug
  DEBUG=""
  
  # Debug, arguments:
  # 1. Text to print
  print_debug() {
    if [ "DEBUG" == "yes" ]; then
      echo "DEBUG: $@"
    fi
  }
  
  # Clean-up function
  clean_up() {
  