anchor.diff:  
   help() {
       echo ""
  -    echo "usage: $0 path hdfs_username"
  +    echo "usage: $0 path hdfs_username jupyter_path"
       echo ""
       exit 1
   }
   
  -if [ "$#" -ne 2 ] ; then
  +if [ "$#" -ne 3 ] ; then
       help
   fi
   
  
positive.code: if [ $? -ne 0 ] ; then
      echo "Problem staging from hdfs ipython notebook: $1"
      exit 4
  fi    
  jupyter nbconvert --to python "$filename"
  if [ $? -ne 0 ] ; then
      echo "Problem converting ipython notebook to python program: $1"
      exit 5
  fi    
  
  # Over-write any old version up on hdfs
  <%= node['hops']['base_dir'] %>/bin/hdfs dfs -copyFromLocal -f "${base}".py "$dirname"
  if [ $? -ne 0 ] ; then
      echo "Problem copying converted ipython program back to hdfs: $dirname/${base}.py"
      exit 6
  fi    
  
  # Current user should have hdfs superuser privileges
  <%= node['hops']['base_dir'] %>/bin/hdfs dfs -chown "$2" "$dirname"/"${base}".py
  if [ $? -ne 0 ] ; then
      echo "Problem changing ownersihp of converted ipython program in hdfs: $dirname/${base}.py chown to user $2"
      exit 5
  fi    
  
  
  
negative.code: mkdir -p ipython_conversions
  if [ $? -ne 0 ] ; then
      echo "Could not create directory in the staging directory for converting iPython notebook. Problem dir: <%= node['hopsworks']['staging_dir'] %>/ipython_conversions as user $USER"
      exit 3
  fi    
  cd ipython_conversions
  
  