On Fri, 18 Feb 2011 12:39:37 +0000, ra...@inputplus.co.uk said:

>     $ foo() { date +%S.%N; }
>     $ sudo true; foo; sudo fdisk -l /dev/sdb >$N; foo
>     31.142709016
>     35.482519853
>     $ e 35.482519853 - 31.142709016
>     4.339810837
>     $

Next time:

        $ time sudo fdisk -l /dev/sdb

Much easier!

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