Update 'bash/tmux_launcher.bash'

bash/tmux_launcher.bash

@@ -11,8 +11,19 @@ tmux attach -t sessionname                                  # jump into the acti
 tmux send-keys -t sessionname:0.0 'q' 'C-m'                 # tell 'top' in top pane to quit (C-m probably not needed here...)
 tmux kill-session -t sessionname                            # close tmux session
 
+
 # NOTE: need the following at the end of 'script.bs' to make it drop out, first two lines are optional but a good way to hold
 #       the session open until user is ready to close it, last line is the kick back to this higher level tmux wrapper.
+#
 # echo "Press any key to close the window."
 # read -s -n1
 # tmux detach
+#
+# If you can also call script.bs NOT from the tmux wrapper, then only do the above if you're actually insidie a tmux.
+# This works because tmux handily sets the TMUX variable so you can trivially check.
+#
+# if [ "$TMUX" ]; then
+#   echo "Press any key to close the window."
+#   read -s -n1
+#   tmux detach
+# fi