Deleting a line from a file

[ojosVerdes]

How do I delete a line from a file.
let say that I want to delete a line that starts with 'foreign'

how do I do that?

Thanks in advance.

 

[vgersh99]

sed -e '/^foreign/d' myFile vlad
+---------------------------+
|#include<disclaimer.h> |
+---------------------------+

 

[vdsouza]

grep -v ^foreign filename > output file