find /usr/share/applications/ /usr/local/share/applications/ -name '*.desktop' -print0 2>/dev/null | \
         xargs -0 awk '
         BEGINFILE { entry="" }
         /^\[/ { if (tolower($0) != "\[desktop entry\]") nextfile } 
         /^Exec=/ { entry = entry FILENAME ":Exec=qubes-desktop-run " FILENAME "\n"; next }
         /^NoDisplay *= *true$/ { entry=""; nextfile }
         /=/ { entry = entry FILENAME ":" $0 "\n" }
         ENDFILE { print entry }
         ' 2> /dev/null