diff --git a/mouselogger/README.md b/mouselogger/README.md
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+
+# mouselogger.py
+
+Script that timestamps and logs all mouse input to file.
+
+## requirements
+works on python3.9
+pynput module `pip install pynput`
+
+## usage
+from the commandline:
++ `python mouselogger.py` will log all mouse input to default logfile `mouselog.log` in the same folder
++ `python mouselogger.py [user-specified logfile]` will instead log to user-specified logfile
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diff --git a/mouselogger/mouselogger.py b/mouselogger/mouselogger.py
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+++ b/mouselogger/mouselogger.py
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+import sys
+import time
+from pynput import mouse
+
+# default logfile
+logfile="mouselog.log"
+
+try:
+    sys.argv[1]  
+except IndexError:
+    print("no logfile given, appending to %s" % logfile)
+else:
+    logfile=sys.argv[1]
+    print("logfile set to %s" % logfile)
+
+f = open(logfile, "a")
+print("now logging all mouse input..")
+
+def on_move(x, y):
+    f.write('{0:.7f} Pointer moved to {1}\n'.format(
+        time.time(), (x, y)))
+
+def on_click(x, y, button, pressed):
+    f.write('{0:.7f} {1} {2} at {3}\n'.format(
+        time.time(),
+        'Pressed' if pressed else 'Released',
+        button,
+        (x, y)))
+    #if not pressed:
+        # Stop listener
+        # return False
+
+def on_scroll(x, y, dx, dy):
+    f.write('{0:.7f} Scrolled {1} at {2}\n'.format(
+        time.time(),
+        'down' if dy < 0 else 'up',
+        (x, y)))
+
+# # Collect events until released
+# with mouse.Listener(
+#         on_move=on_move,
+#         on_click=on_click,
+#         on_scroll=on_scroll) as listener:
+#     listener.join()
+
+# ...or, in a non-blocking fashion:
+listener = mouse.Listener(
+    on_move=on_move,
+    on_click=on_click,
+    on_scroll=on_scroll)
+listener.start()
+
+
+input("press ENTER to stop logging")
+print("ok thanks, logged all mouse input to %s" % logfile)
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