Fwd: I have wrong o/p of stiff

Please read the below forwarded mail.

Sent from my iPhone

Begin forwarded message:

> From: Shantkumar Bargale <[email protected]>
> Date: 21 January 2019 at 3:59:30 PM IST
> To: [email protected]
> Subject: I have wrong o/p of stiff
> 
> Hello Team.
> 
> I have issue with sdiff . 
> 
> sidff -s file1 file2 | grep “<“ >>/tmp/file_name.log 
> 
> I clearly it list all the lines which are present in the file 1 which are not in file2. But not resulted as expected I need all the lines which are not present in file2 by comparing file1 & file2
> 
> Regards 
> Shant
> 
> 
> Sent from my iPhone