Spend more time with grep.

[GoogleCodeExporter]

Grep is pretty powerful on the command line.  It would be nice if you could add 
more of the features.

Here is a set that I typically use.
 grep -A 10 -B 10 -H FILE *.txt

Add 10 lines after context and 10 lines before.  Print the name of the file as 
a prefix to the output.

What version of the product are you using? On what operating system?

0.3

Original issue reported on code.google.com by [email protected] on 4 Sep 2013 at 1:42