#!/opt/homebrew/bin/bash  
#Example for bash split string without $IFS  
  
xpath="$(echo "$2"| sed -e "s/\/\([^/]\+\)/\/*[local-name()='\1']/g" | sed -e "s/^\([^\/]\+\)/\/\/*[local-name() = '\1']/")"
xmllint  --xpath "${xpath}" $1
#echo
echo "xpath= ${xpath}"