diff --git a/examples/test_util/initRegressionTest.cpp b/examples/test_util/initRegressionTest.cpp
new file mode 100644
index 000000000..8f3e5457a
--- /dev/null
+++ b/examples/test_util/initRegressionTest.cpp
@@ -0,0 +1,102 @@
+/*
+   Copyright 2016 Statoil ASA.
+
+   This file is part of the Open Porous Media project (OPM).
+
+   OPM is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   OPM is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with OPM.  If not, see <http://www.gnu.org/licenses/>.
+   */
+
+#include <opm/test_util/EclFilesComparator.hpp>
+
+#include <iostream>
+#include <string>
+#include <getopt.h>
+
+static void printHelp() {
+    std::cout << "compareRestart compares restartfiles and gridsizes from two simulations.\n"
+        << "The program takes four arguments:\n\n"
+        << "1. File number 1 (full path without extension)\n"
+        << "2. File number 2 (full path without extension)\n"
+        << "3. Absolute tolerance\n"
+        << "4. Relative tolerance (between 0 and 1)\n\n"
+        << "In addition, the program takes these options (which must be given before the arguments):\n\n"
+        << "-h Print help.\n"
+        << "-k Specify specific keyword to compare, for example -k PRESSURE.\n"
+        << "-s Print all values side by side from the specified files.\n\n";
+}
+
+//------------------------------------------------//
+
+int main(int argc, char** argv) {
+    bool showValues      = false;
+    bool specificKeyword = false;
+    char* keyword        = nullptr;
+    int c = 0;
+
+    while ((c = getopt(argc, argv, "hk:s")) != -1) {
+        switch (c) {
+            case 'h':
+                printHelp();
+                return 0;
+            case 'k':
+                specificKeyword = true;
+                keyword = optarg;
+                break;
+            case 's':
+                showValues = true;
+                break;
+            case '?':
+                if (optopt == 'k') {
+                    std::cout << "Option k requires an argument." << std::endl;
+                    return EXIT_FAILURE;
+                }
+                else {
+                    std::cout << "Unknown option." << std::endl;
+                    return EXIT_FAILURE;
+                }
+            default:
+                return EXIT_FAILURE;
+        }
+    }
+
+    int argOffset = optind;
+    if (argc != argOffset + 4) {
+        printHelp();
+        return EXIT_FAILURE;
+    }
+
+    const std::string basename1 = argv[argOffset];
+    const std::string basename2 = argv[argOffset + 1];
+    const double absTolerance   = atof(argv[argOffset + 2]);
+    const double relTolerance   = atof(argv[argOffset + 3]);
+
+    try {
+        ECLFilesComparator comparator(INITFILE, basename1, basename2, absTolerance, relTolerance);
+        if (showValues) {
+            comparator.setShowValues(true);
+        }
+        if (specificKeyword) {
+            comparator.gridCompare();
+            comparator.resultsForKeyword(keyword);
+        }
+        else {
+            comparator.gridCompare();
+            comparator.results();
+        }
+    }
+    catch (const std::exception& e) {
+        std::cerr << "Program threw an exception: " << e.what() << std::endl;
+        return EXIT_FAILURE;
+    }
+    return 0;
+}
diff --git a/examples/test_util/restartRegressionTest.cpp b/examples/test_util/restartRegressionTest.cpp
new file mode 100644
index 000000000..b1f4a3544
--- /dev/null
+++ b/examples/test_util/restartRegressionTest.cpp
@@ -0,0 +1,102 @@
+/*
+   Copyright 2016 Statoil ASA.
+
+   This file is part of the Open Porous Media project (OPM).
+
+   OPM is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   OPM is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with OPM.  If not, see <http://www.gnu.org/licenses/>.
+   */
+
+#include <opm/test_util/EclFilesComparator.hpp>
+
+#include <iostream>
+#include <string>
+#include <getopt.h>
+
+static void printHelp() {
+    std::cout << "compareRestart compares restartfiles and gridsizes from two simulations.\n"
+        << "The program takes four arguments:\n\n"
+        << "1. File number 1 (full path without extension)\n"
+        << "2. File number 2 (full path without extension)\n"
+        << "3. Absolute tolerance\n"
+        << "4. Relative tolerance (between 0 and 1)\n\n"
+        << "In addition, the program takes these options (which must be given before the arguments):\n\n"
+        << "-h Print help.\n"
+        << "-k Specify specific keyword to compare, for example -k PRESSURE.\n"
+        << "-s Print all values side by side from the specified files.\n\n";
+}
+
+//------------------------------------------------//
+
+int main(int argc, char** argv) {
+    bool showValues      = false;
+    bool specificKeyword = false;
+    char* keyword        = nullptr;
+    int c = 0;
+
+    while ((c = getopt(argc, argv, "hk:s")) != -1) {
+        switch (c) {
+            case 'h':
+                printHelp();
+                return 0;
+            case 'k':
+                specificKeyword = true;
+                keyword = optarg;
+                break;
+            case 's':
+                showValues = true;
+                break;
+            case '?':
+                if (optopt == 'k') {
+                    std::cout << "Option k requires an argument." << std::endl;
+                    return EXIT_FAILURE;
+                }
+                else {
+                    std::cout << "Unknown option." << std::endl;
+                    return EXIT_FAILURE;
+                }
+            default:
+                return EXIT_FAILURE;
+        }
+    }
+
+    int argOffset = optind;
+    if (argc != argOffset + 4) {
+        printHelp();
+        return EXIT_FAILURE;
+    }
+
+    const std::string basename1 = argv[argOffset];
+    const std::string basename2 = argv[argOffset + 1];
+    const double absTolerance   = atof(argv[argOffset + 2]);
+    const double relTolerance   = atof(argv[argOffset + 3]);
+
+    try {
+        ECLFilesComparator comparator(RESTARTFILE, basename1, basename2, absTolerance, relTolerance);
+        if (showValues) {
+            comparator.setShowValues(true);
+        }
+        if (specificKeyword) {
+            comparator.gridCompare();
+            comparator.resultsForKeyword(keyword);
+        }
+        else {
+            comparator.gridCompare();
+            comparator.results();
+        }
+    }
+    catch (const std::exception& e) {
+        std::cerr << "Program threw an exception: " << e.what() << std::endl;
+        return EXIT_FAILURE;
+    }
+    return 0;
+}
diff --git a/examples/test_util/rftRegressionTest.cpp b/examples/test_util/rftRegressionTest.cpp
new file mode 100644
index 000000000..5d936d1a9
--- /dev/null
+++ b/examples/test_util/rftRegressionTest.cpp
@@ -0,0 +1,104 @@
+/*
+   Copyright 2016 Statoil ASA.
+
+   This file is part of the Open Porous Media project (OPM).
+
+   OPM is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   OPM is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with OPM.  If not, see <http://www.gnu.org/licenses/>.
+   */
+
+#include <opm/test_util/EclFilesComparator.hpp>
+
+#include <iostream>
+#include <string>
+#include <getopt.h>
+
+static void printHelp() {
+    std::cout << "compareRestart compares restartfiles and gridsizes from two simulations.\n"
+        << "The program takes four arguments:\n\n"
+        << "1. File number 1 (full path without extension)\n"
+        << "2. File number 2 (full path without extension)\n"
+        << "3. Absolute tolerance\n"
+        << "4. Relative tolerance (between 0 and 1)\n\n"
+        << "In addition, the program takes these options (which must be given before the arguments):\n\n"
+        << "-h Print help.\n"
+        << "-k Specify specific keyword to compare, for example -k PRESSURE.\n"
+        << "-s Print all values side by side from the specified files.\n\n";
+}
+
+//------------------------------------------------//
+
+int main(int argc, char** argv) {
+    bool showValues      = false;
+    bool specificKeyword = false;
+    char* keyword        = nullptr;
+    int c = 0;
+
+    while ((c = getopt(argc, argv, "hk:s")) != -1) {
+        switch (c) {
+            case 'h':
+                printHelp();
+                return 0;
+            case 'k':
+                specificKeyword = true;
+                keyword = optarg;
+                break;
+            case 's':
+                showValues = true;
+                break;
+            case '?':
+                if (optopt == 'k') {
+                    std::cout << "Option k requires an argument." << std::endl;
+                    return EXIT_FAILURE;
+                }
+                else {
+                    std::cout << "Unknown option." << std::endl;
+                    return EXIT_FAILURE;
+                }
+            default:
+                return EXIT_FAILURE;
+        }
+    }
+
+    int argOffset = optind;
+    if (argc != argOffset + 4) {
+        printHelp();
+        return EXIT_FAILURE;
+    }
+
+    const std::string basename1 = argv[argOffset];
+    const std::string basename2 = argv[argOffset + 1];
+    const double absTolerance   = atof(argv[argOffset + 2]);
+    const double relTolerance   = atof(argv[argOffset + 3]);
+
+    try {
+        std::cout << "\nUsing absolute deviation tolerance of " << absTolerance
+            << " and relative tolerance of " << relTolerance << ".\n";
+        ECLFilesComparator comparator(RFTFILE, basename1, basename2, absTolerance, relTolerance);
+        if (showValues) {
+            comparator.setShowValues(true);
+        }
+        if (specificKeyword) {
+            comparator.gridCompare();
+            comparator.resultsForKeyword(keyword);
+        }
+        else {
+            comparator.gridCompare();
+            comparator.results();
+        }
+    }
+    catch (const std::exception& e) {
+        std::cerr << "Program threw an exception: " << e.what() << std::endl;
+        return EXIT_FAILURE;
+    }
+    return 0;
+}
diff --git a/examples/test_util/summaryRegressionTest.cpp b/examples/test_util/summaryRegressionTest.cpp
new file mode 100644
index 000000000..995c785d5
--- /dev/null
+++ b/examples/test_util/summaryRegressionTest.cpp
@@ -0,0 +1,85 @@
+/*
+   Copyright 2016 Statoil ASA.
+   This file is part of the Open Porous Media project (OPM).
+
+   OPM is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+   char* unit = getUnit(keyword);
+   OPM is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with OPM.  If not, see <http://www.gnu.org/licenses/>.
+   */
+
+#include <opm/test_util/summaryRegressionTest.hpp>
+#include <string>
+#include <getopt.h>
+void printHelp(){
+    std::cout << "The program takes four arguments"          << std::endl;
+    std::cout << "1) <path to file1>/<base_name>"            << std::endl;
+    std::cout << "2) <path to file2>/<base_name>"            << std::endl;
+    std::cout << "the basename should be without ectension." << std::endl;
+    std::cout << "3) relative tolerance (between 0 and 1)"   << std::endl;
+    std::cout << "4) absolute tolerance"                     << std::endl;
+}
+
+//---------------------------------------------------
+
+
+int main (int argc, char ** argv){
+    bool spesificKeyword = false;
+    const char* keyword  = nullptr;
+    int c = 0;
+
+    while ((c = getopt(argc, argv, "hk:")) != -1) {
+        switch (c) {
+            case 'h':
+                printHelp();
+                return 0;
+            case 'k':
+                spesificKeyword = true;
+                keyword = optarg;
+                break;
+            case '?':
+                if (optopt == 'k') {
+                    std::cout << "Option k requires an keyword." << std::endl;
+                    return EXIT_FAILURE;
+                }
+                else {
+                    std::cout << "Unknown option." << std::endl;
+                    return EXIT_FAILURE;
+                }
+            default:
+                return EXIT_FAILURE;
+        }
+    }
+    int argOffset = optind;
+
+    if (argc != argOffset + 4) {
+        printHelp();
+        return EXIT_FAILURE;
+    }
+    const char * basename1   = argv[argOffset];
+    const char * basename2   = argv[argOffset+1];
+    double absoluteTolerance = atof(argv[argOffset+2]);
+    double relativeTolerance = atof(argv[argOffset+3]);
+    try {
+        RegressionTest read(basename1,basename2, absoluteTolerance, relativeTolerance);
+        if(spesificKeyword){
+            read.getRegressionTest(keyword);
+        }
+        else{
+            read.getRegressionTest();
+        }
+    }
+    catch(const std::exception& e) {
+        std::cerr << "Program threw an exception: " << e.what() << std::endl;
+        return EXIT_FAILURE;
+    }
+    return 0;
+}