grep cheating log
wc log
mv log templog
> log
ed - <:fixuid templog
(
sort '-t	' +4 -5 +5r -6 +0 -1 +2nr -3 templog treklog |
sort '-umt	' +4 -5 +5r -6 +0 -1 |
sort '-t	' +4 -5 +5r -6 +2nr -3
)>newlog
rm templog
diff treklog newlog
mv newlog treklog
