Get Unity's window stack

window_stack

window_stack()
{
  qdbus --literal com.canonical.Unity.WindowStack  
        /com/canonical/Unity/WindowStack  \
        com.canonical.Unity.WindowStack.GetWindowStack | \
  awk -F '{' '{gsub(/\}|\]|,/,"");gsub(/\[/,"\n");print $2}' | \
  awk '!/compiz/&&!/^$/ && $4!="\""$3"\""  { L[n++] = $0 }\
       END { while(n--) print L[n] }'
}