bash script to edit xml file

Question

I want to edit the config file of a program that is an XML:

   
       ...
       

        

Answer 1

Using xmlstarlet:

xmlstarlet val -e file.xml
xmlstarlet ed -u "//settings/setting/@name" -v 'local directory2' file.xml
xmlstarlet ed -u "//settings[1]/setting/@name" -v 'local directory2' file.xml

# edit file inplace
xmlstarlet ed -L -u "//settings/setting/@name" -v 'local directory2' file.xml