diff --git a/cluster_basic/copy_from_scratch_to_UNIL_NAS.sh b/cluster_basic/copy_from_scratch_to_UNIL_NAS.sh
index c1f587f..9692097 100755
--- a/cluster_basic/copy_from_scratch_to_UNIL_NAS.sh
+++ b/cluster_basic/copy_from_scratch_to_UNIL_NAS.sh
@@ -1,120 +1,124 @@
 #!/bin/bash
 #
 print_help()
 {
     echo "=================================================================" >&2
-    echo "                                                                 " >&2    
+    echo "                 DCSR, University of Lausanne                    " >&2
+    echo "                                                                 " >&2
     echo "Usage  : sh $0                                                   " >&2
     echo "                                                                 " >&2
     echo "Purpose: shows how to use movedat to transfer a file or          " >&2
     echo "         a directory to a remote directory in the UNIL NAS.      " >&2
     echo "         shows how to use movedat to list remote content.        " >&2
     echo "                                                                 " >&2
     echo "To do  : adapt \$SCRATCH_DIR in STEP 1 to point to your scratch  " >&2
     echo "         directory                                               " >&2
     echo "                                                                 " >&2
     echo "=================================================================" >&2
 
     exit 1
 }
 
-
 # Check command line options
 # --------------------------
 if [ "$#" == "1" ]; then 
     if [ "$1" == "-h" ] || [ "$1" == "--help" ]; then
 	$(print_help)
     else
 	echo; echo "FATAL: only accepted options are -h and --help."; echo
-        exit 1
     fi
+    exit 1
 fi
 if [ "$#" -ge "2" ]; then
     echo; echo "FATAL: only accepts a single option (-h or --help)"; echo
     exit 1
 fi
 
 
 # Do not change the following definitions!
-# ----------------------------------------  
+# ----------------------------------------
 SERVER=dexwin.unil.ch                                    # Do not change!
 FILENAME=LocalFile_$USER.txt                             # Do not change!
 DIRNAME=LocalDir_$USER                                   # Do not change!
 REMOTE_DIR=CTR/CI/DCSR/rfabbret/test_movedat/D2c/Course  # Do not change!
 
 CLUSTER=wally
 
 
 
 # STEP 1: Adapt $SCRATCH_DIR to point to your scratch directory
 # -------------------------------------------------------------
 SCRATCH_DIR=/scratch/$CLUSTER/CTR/CI/DCSR/rfabbret/test_movedat # Adapt!
+echo -e "\nSTEP 1: \$SCRATCH_DIR set to: $SCRATCH_DIR"; echo
 
 
 # STEP 2: Check that $SCRATCH_DIR actually exists!
 # ------------------------------------------------
 if [ ! -d $SCRATCH_DIR ]; then
     echo
     echo "FATAL: destination folder ($SCRATCH_DIR) does not exist!"
     echo "       Please adapt \$SCRATCH_DIR to point towards your scratch directory"
     echo "       SCRATCH_DIR=/scratch/\$CLUSTER/FAC/<your_faculty/<your_department/<your_PI>/<your_project>"
     echo
     exit 1
+else
+    echo; echo -e "STEP 2: all good, \$SCRATCH_DIR ($SCRATCH_DIR) is an existing directory!";
+    echo; echo
 fi
-echo
+
 
 # STEP 3: List the content of $SCRATCH_DIR
 # ----------------------------------------
 echo "STEP 3: Listing the content of $SCRATCH_DIR:"
 ls -rtl $SCRATCH_DIR
 echo; echo
 
 
 # STEP 4: Create a dummy file to copy to UNIL NAS
 # -----------------------------------------------
 echo "I am $USER's dummy file." > $SCRATCH_DIR/$FILENAME
 echo "STEP 4: Created file: $SCRATCH_DIR/$FILENAME"
 echo "        Use the following command to display its content:"
 echo "        cat $SCRATCH_DIR/$FILENAME"
 echo; echo
 
 
 # STEP 5: Copy file $FILENAME from your scratch directory to UNIL NAS, keeping the same name
 # ------------------------------------------------------------------------------------------
 echo "STEP 5: using movedat to copy $SCRATCH_DIR/$FILENAME to UNIL NAS (keeping the name)"
 movedat $SCRATCH_DIR/$FILENAME $USER@$SERVER:$REMOTE_DIR/                      # To copy with same name
 echo; echo
 
 
 # STEP 6: Copy file $FILENAME from your scratch directory to UNIL NAS, keeping the same name
 # ------------------------------------------------------------------------------------------
 echo "STEP 6: using movedat to copy $SCRATCH_DIR/$FILENAME to UNIL NAS, renaming the file"
 movedat $SCRATCH_DIR/$FILENAME $USER@$SERVER:$REMOTE_DIR/${FILENAME}_renamed   # To rename the copied file
 echo; echo
 
 
 # STEP 7: List content of remote directory on UNIL NAS
 # ----------------------------------------------------
 echo "STEP 7: Listing the content of remote directory $REMOTE_DIR/"
 movedat $USER@$SERVER:$REMOTE_DIR/   # Must be ending by "/"
 echo; echo
 
 
 # STEP 8: Create a small directory structure 
 # ------------------------------------------
 echo "STEP 8: Creating a small directory structure"
 mkdir -pv  $SCRATCH_DIR/$DIRNAME/Subdir1/Subdir2
 echo
 tree $SCRATCH_DIR/$DIRNAME/
 echo; echo
 
 
 # STEP 9: Copy the directory structure $DIRNAME from your scratch to the UNIL NAS
 #         Note: with '-h' option you copy file-by-file
 #               with '-i' option you enable streaming mode
 #         Note: the remote directory has to exist before you can put content in!
 # ------------------------------------------------------------------------------
 movedat -n $USER@$SERVER:$REMOTE_DIR/$DIRNAME                          # Create the destination directory first
 echo
 movedat -h $SCRATCH_DIR/$DIRNAME $USER@$SERVER:$REMOTE_DIR/$DIRNAME    # Copy the content
 echo; echo