albertyw · March 23, 2018 08:19 · Mar 23, 2018
diff --git a/process.py b/process.py
@@ -0,0 +1,23 @@
+import subprocess
+import time
+
+
+commands = ['./time.sh'] * 5
+outputs = [None] * len(commands)
+processes = [None] * len(commands)
+
+
+start = time.time()
+
+
+for i, command in enumerate(commands):
+    process = subprocess.Popen([command], stdout=subprocess.PIPE)
+    processes[i] = process
+
+
+for i, process in enumerate(processes):
+    outputs[i] = process.communicate()
+    print(i, outputs[i])
+
+
+print('elapsed seconds: ', time.time() - start)
diff --git a/time.sh b/time.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+sleep 2
+date