TOTAL=$(grep "<nixternal>" .kde/share/apps/konversation/logs/ubuntu\ irc_\#kubuntu-devel.log|wc -l) D=$(grep "<nixternal>" .kde/share/apps/konversation/logs/ubuntu\ irc_\#kubuntu-devel.log|grep d|wc -l) && echo $D/$TOTAL"*100"|qalc -u8
>
  (1171 / 1746) * 100 ≈ 67.067583