diff --git a/src/Scripts/AScript.py b/src/Scripts/AScript.py
new file mode 100644
index 00000000..ab8bf735
--- /dev/null
+++ b/src/Scripts/AScript.py
@@ -0,0 +1,34 @@
+# AScript.py -- Pamhyr abstract script class
+# Copyright (C) 2023  INRAE
+#
+# This program 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.
+#
+# This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# -*- coding: utf-8 -*-
+
+from Model.Except import NotImplementedMethodeError
+
+class AScript(object):
+    name = ""
+    description = ""
+
+    def __init__(self, args):
+        super(AScript, self).__init__()
+
+        self._args = args.copy()
+
+    def usage(self):
+        raise NotImplementedMethodeError(self, self.usage)
+
+    def run(self):
+        raise NotImplementedMethodeError(self, self.run)
diff --git a/src/Scripts/Hello.py b/src/Scripts/Hello.py
new file mode 100644
index 00000000..dd20e431
--- /dev/null
+++ b/src/Scripts/Hello.py
@@ -0,0 +1,34 @@
+# help.py -- Pamhyr
+# Copyright (C) 2023  INRAE
+#
+# This program 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.
+#
+# This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# -*- coding: utf-8 -*-
+
+import logging
+from Scripts.AScript import AScript
+
+logger = logging.getLogger()
+
+
+class ScriptHello(AScript):
+    name = "Hello"
+    description = "Display hello"
+
+    def usage(self):
+        logger.info(f"Usage : {self._args[0]} hello")
+
+    def run(self):
+        logger.info("Hello from Pamhyr2 script !")
+        return True
diff --git a/src/pamhyr.py b/src/pamhyr.py
index c2a7d938..61424fe8 100755
--- a/src/pamhyr.py
+++ b/src/pamhyr.py
@@ -34,10 +34,25 @@ from tools import (
 from View.MainWindow import ApplicationWindow
 from Model.Study import Study
 
+from Scripts.Hello import ScriptHello
+
 from init import license, setup_lang
 
 logger = logging.getLogger()
 
+scripts = {
+    "hello": ScriptHello,
+}
+
+def usage(argv):
+    logger.error(f"{logger_color_red()}Invalid script name '{argv[1]}'{logger_color_reset()}")
+    logger.info(f"Usage: {argv[0]} <script> <args...>")
+    logger.info(f"")
+    logger.info(f"Valid scripts:")
+    for s in scripts:
+        logger.info(f"\t{s}\t\t{scripts[s].name}: {scripts[s].description}")
+
+
 def main():
     conf = Config.load()
     app = QApplication(sys.argv)
@@ -47,10 +62,24 @@ def main():
 
     license()
 
-    application = ApplicationWindow(conf=conf)
-    application.show()
+    if len(sys.argv) > 1:
+        # Run a script
+        script = sys.argv[1]
+
+        if script not in scripts:
+            usage(sys.argv)
+            sys.exit(-1)
+
+        application = scripts[script](sys.argv)
+        ret = application.run()
+        if not ret:
+            application.usage()
+    else:
+        # No args, run Pamhyr2 interface
+        application = ApplicationWindow(conf=conf)
+        application.show()
+        ret = app.exec_()
 
-    ret = app.exec_()
     display_timers()
     sys.exit(ret)