From d4a9d5b0b3a3d26fb283c6a1318061bf97c90bbd Mon Sep 17 00:00:00 2001
From: Ben Sima <ben@bensima.com>
Date: Tue, 29 Apr 2025 22:20:48 -0400
Subject: add reactiontime script

---
 reactiontime | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100755 reactiontime

diff --git a/reactiontime b/reactiontime
new file mode 100755
index 0000000..292845e
--- /dev/null
+++ b/reactiontime
@@ -0,0 +1,40 @@
+#!/usr/bin/env python
+import random
+import datetime
+import time
+import sys
+import pathlib
+
+
+def as_millis(s):
+    return s*1000
+
+
+def take_sample():
+    waittime = random.randint(0,5)
+    time.sleep(waittime)
+    start=datetime.datetime.now()
+    sys.stderr.write("GO")
+    sys.stderr.flush()
+    input()
+    end=datetime.datetime.now()
+    delta = end - start
+    return as_millis(delta.total_seconds())
+
+
+def record_metric(avg, log: pathlib.Path):
+    now = datetime.datetime.now()
+    with log.open('a+', encoding='utf-8') as f:
+        f.write(f"{now}\t{avg}\n")
+        f.flush()
+
+
+if __name__ == "__main__":
+    samples = []
+    n = 5
+    print("Press Enter when you see GO")
+    for i in range(0, n):
+        samples.append(take_sample())
+    avg = sum(samples)/n
+    record_metric(avg, pathlib.Path("~/org/reactiontime.log").expanduser())
+    print(avg)
-- 
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