On 2013-11-26 20:51, Craig Sanders wrote: > On Tue, Nov 26, 2013 at 02:53:28PM +1100, Tony Crisp wrote: > > > > $ grep -vf machineB machineA > > four > > > > What's in B, but not in A? > > > > $ grep -vf machineA machineB > > three > > seven > > nice solution. sometimes simplest is best.
This is what the 'comm' command is specifically designed for: $ comm -3 machineA machineB # suppress lines that appear in both files $ comm -13 machineA machineB # show only lines unique to file machineB -- Regards, Matthew Cengia
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