Bourne Shell lacks local operator ||, -o instead.

Not as pretty but it sure works more nicely than nothing.

wemux

@@ -576,7 +576,7 @@ client_mode() {
   }
 
   send() {
-    if [ "$allow_pair_mode" == "true" ||  "$allow_rogue_mode" == "true"]; then
+    if [ "$allow_pair_mode" == "true" -o "$allow_rogue_mode" == "true" ]; then
       $wemux send "$@"
     else
       echo "Pairing and Rogue mode are off, sending is disabled."