From: Bdale Garbee <bdale@gag.com>
Date: Tue, 27 May 2025 18:17:06 +0000 (-0600)
Subject: use smarter approach to escaping command strings for os.system
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=6b0c4a3c88ff8dcf1a94462a0e6f46a179f8a871;p=fw%2Fquantimotor

use smarter approach to escaping command strings for os.system
---

diff --git a/ui/app.py b/ui/app.py
index 14bdaee..81cdcf6 100755
--- a/ui/app.py
+++ b/ui/app.py
@@ -318,7 +318,7 @@ def runatest():
   global ctx
 
   # turn triggered buffering on
-  os.system("echo 1 > /sys/bus/iio/devices/iio\:device0/buffer0/enable")
+  os.system(shlex.quote("echo 1 > /sys/bus/iio/devices/iio:device0/buffer0/enable"))
 
   # create data logging thread
   loggertask = DataReader(ctx)
@@ -345,7 +345,7 @@ def endatest():
   pyrotask.join()
 
   # turn triggered buffering off so low speed iio actions work while idle
-  os.system("echo 0 > /sys/bus/iio/devices/iio\:device0/buffer0/enable")
+  os.system(shlex.quote("echo 0 > /sys/bus/iio/devices/iio:device0/buffer0/enable"))
   status = "idle"