Re: Is it possible to return the line available in FILE1 but not FILE2 in diff?

[Chris F.A. Johnson]

On 2012-11-12, Peng Yu wrote:
> Hi,
>
> I just want to return the line available in FILE1 but not FILE2 in
> diff. After I read the document, it seems that this is not possible.
> Could anybody confirm whether this is true? If so, is there an
> alternative tool that does this? Thanks!

   Perhaps you want comm instead of diff:

comm -23 FILE


-- 
   Chris F.A. Johnson                          <http://cfajohnson.com>
   Author:                                     =======================
   Pro Bash Programming: Scripting the GNU/Linux Shell (2009, Apress)
   Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)