XFCE running shell scripts
I'm not sure when it happened, but at some point I stopped being able to run an application I use in XFCE which is launched via a shell script.
The obvious solution is to make sure that +x permission has been granted to the file - but no joy.
The answer is to run this under your user account:
xfconf-query --channel thunar --property /misc-exec-shell-scripts-by-default --type bool --set true --create