For sorted data, there's also comm(1) which lets you pick any combination of file 1 only, file 2 only and/or common to both, in tabbed columns.
On 18/09/2012 12:29 PM, Sean Cody wrote:
Sounds like a job for diff(1).
Use diff -u (I find it easier to read).
There is also sdiff for 'side by side' visual comparison but I don't use that much.