#!/usr/bin/env bash
notifylogfile=$1

dbus-monitor "interface='org.freedesktop.Notifications'" |\
  grep --line-buffered '   string' |\
  grep --line-buffered -v '     string' |\
  grep --line-buffered -v 'string ":[1-9]*.[1-9]*' |\
  grep --line-buffered '.*(?=string)|(?<=string).*' -oPi |\
  grep --line-buffered -v '^\s*$' |\
  sed -u 's/[^"]$/"/g' |\
  sed -u 'N;s/\n/ /' |\
  sed -u 'N;s/\n/ /' |\
  xargs -I '{}' \
  printf "--- $(date | awk '{print $2".",$3,$6,"- "$4}') ---\n{}\n" >> $notifylogfile