diff --git a/scripts/config.json b/scripts/config.json
index 87c518e..87a15fd 100644
--- a/scripts/config.json
+++ b/scripts/config.json
@@ -1,6 +1,38 @@
 {
   "version": "0.1",
   "scripts": [
+    {
+      "documentation": {
+        "command": "data-diff",
+        "description": "A data diff will be taken of the data resulting from a grep on each file. Parameters:\n  config: the config file to use\n",
+        "arguments": ["config"]
+      },
+      "environment": {
+        "image": "ubuntu",
+        "interactive": false,
+        "script": "virtuoso/data-diff.sh",
+        "join_networks": true
+      },
+      "mounts": {
+          "app": "/project/"
+        }
+    },
+    {
+      "documentation": {
+        "command": "dump-database",
+        "description": "A virtuoso dump will be created db/dumpss.\n Parameters:\n  hostname: default triplestore\n  username: default dba\n  password: default dba",
+        "arguments": ["hostname", "username", "password"]
+      },
+      "environment": {
+        "image": "redpencil/virtuoso",
+        "interactive": false,
+        "script": "virtuoso/dump-database.sh",
+        "join_networks": true
+      },
+      "mounts": {
+          "app": "/project/"
+        }
+    },
     {
       "documentation": {
         "command": "create-backup",
diff --git a/scripts/virtuoso/data-diff-config-example.json b/scripts/virtuoso/data-diff-config-example.json
new file mode 100644
index 0000000..a188487
--- /dev/null
+++ b/scripts/virtuoso/data-diff-config-example.json
@@ -0,0 +1,7 @@
+{ "source": "/project/data/file1.nq",
+  "target": "/project/data/file2.nq",
+  "graphs": [
+      "http://mu.semte.ch/application"
+  ],
+  "graphRegexes": ["http://mu.semte.ch/vocabularies/ext/tabId"]
+}
diff --git a/scripts/virtuoso/data-diff.sh b/scripts/virtuoso/data-diff.sh
new file mode 100755
index 0000000..dd54c90
--- /dev/null
+++ b/scripts/virtuoso/data-diff.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+apt-get update > /dev/null
+apt-get -y install jq python3 > /dev/null
+
+config=$1
+source=$(jq -r ".source" $config)
+target=$(jq -r ".target" $config)
+
+command=$(python3 generate-datadiff.py $config)
+
+diff <(cat $source | eval $command | sort) <(cat $target | eval $command | sort)
diff --git a/scripts/virtuoso/dump-database.sh b/scripts/virtuoso/dump-database.sh
new file mode 100755
index 0000000..d7ceb2e
--- /dev/null
+++ b/scripts/virtuoso/dump-database.sh
@@ -0,0 +1,80 @@
+#!/bin/bash
+USERNAME=${2:-"dba"}
+PASSWORD=${3:-"dba"}
+TRIPLESTORE=${1:-"triplestore"}
+
+if [[ "$#" -ge 3 ]]; then
+    echo "Usage:"
+    echo "   mu script triplestore [hostname] [username] [password]"
+    exit -1;
+fi
+
+if [[ -d "/project/data/db" ]];then
+    mkdir -p /project/data/db/dumps
+else
+    echo "WARNING:"
+    echo "    did not find data/db folder in your project, so did not create data/db/dumps!"
+    echo " "
+fi
+
+
+echo "connecting to $TRIPLESTORE with $USERNAME"
+isql-v -H $TRIPLESTORE -U $USERNAME -P $PASSWORD <<EOF
+CREATE PROCEDURE dump_nquads
+  ( IN  dir                VARCHAR := 'dumps'
+  , IN  start_from             INT := 1
+  , IN  file_length_limit  INTEGER := 100000000
+  , IN  comp                   INT := 1
+  )
+  {
+    DECLARE  inx, ses_len  INT
+  ; DECLARE  file_name     VARCHAR
+  ; DECLARE  env, ses      ANY
+  ;
+
+  inx := start_from;
+  SET isolation = 'uncommitted';
+  env := vector (0,0,0);
+  ses := string_output (10000000);
+  FOR (SELECT * FROM (sparql define input:storage "" SELECT ?s ?p ?o ?g { GRAPH ?g { ?s ?p ?o } . FILTER ( ?g != virtrdf: ) } ) AS sub OPTION (loop)) DO
+    {
+      DECLARE EXIT HANDLER FOR SQLSTATE '22023'
+	{
+	  GOTO next;
+	};
+      http_nquad (env, "s", "p", "o", "g", ses);
+      ses_len := LENGTH (ses);
+      IF (ses_len >= file_length_limit)
+	{
+	  file_name := sprintf ('%s/output%06d.nq', dir, inx);
+	  string_to_file (file_name, ses, -2);
+	  IF (comp)
+	    {
+	      gz_compress_file (file_name, file_name||'.gz');
+	      file_delete (file_name);
+	    }
+	  inx := inx + 1;
+	  env := vector (0,0,0);
+	  ses := string_output (10000000);
+	}
+      next:;
+    }
+  IF (length (ses))
+    {
+      file_name := sprintf ('%s/output%06d.nq', dir, inx);
+      string_to_file (file_name, ses, -2);
+      IF (comp)
+	{
+	  gz_compress_file (file_name, file_name||'.gz');
+	  file_delete (file_name);
+	}
+      inx := inx + 1;
+      env := vector (0,0,0);
+    }
+}
+;
+    dump_nquads ('dumps', 1, 100000000, 1);
+    exit;
+EOF
+gunzip /project/data/db/dumps/*.gz
+cat /project/data/db/dumps/* > /project/data/dumped-quads.nq
diff --git a/scripts/virtuoso/generate-datadiff.py b/scripts/virtuoso/generate-datadiff.py
new file mode 100644
index 0000000..7429924
--- /dev/null
+++ b/scripts/virtuoso/generate-datadiff.py
@@ -0,0 +1,14 @@
+import sys
+import json
+
+config_file = sys.argv[1]
+config = {}
+with open(config_file) as f:
+    config = json.load(f)
+
+graph_regex = "<{}> .$".format("|".join(config['graphs']))
+grep_commands = f'egrep "{graph_regex}"'
+for regex in config['graphRegexes']:
+    grep_commands += f'| egrep "{regex}"'
+
+print(grep_commands)