xmlstarlet update an attribute

Question

I\'m working on a script which deals with an xml file. I\'d like to update an attribute value in this xml file with xmlstarlet but it doesn\'t work.

Here is a sample

Answer 1

The proper way (will update settings on the fly)

xfconf-query -c xfce4-keyboard-shortcuts -p /commands/default/XF86Display -s 'test'