-sed -i rootdir/var/log/apt/history.log -e '/^Commandline: / d' -e '/^Start-Date: / d' -e '/^End-Date: / d'
-testfileequal 'rootdir/var/log/apt/history.log' '
-Install: unrelated:i386 (1), debhelper:i386 (8.0.0), po-debconf:i386 (1.0.16, automatic)
-
+sed rootdir/var/log/apt/history.log -e '/^Commandline: / d' -e '/^Start-Date: / d' -e '/^End-Date: / d' -e 's#), #)\nInstall: #g' | sort -u > apt-history.log
+testfileequal 'apt-history.log' '
+Install: debhelper:i386 (8.0.0)
+Install: po-debconf:i386 (1.0.16, automatic)
+Install: unrelated:i386 (1)