[SunHELP] grep

[Phil Stracchino]

Bret Adams <bret at fabrikant.com> wrote:
> I was trying to find a way to grep a pattern in a file and then print out 
> that line and the two lines preceding the match.
> I already manned the grep, egrep and fgrep man pages and nothing was listed 
> that fit the bill.  Maybe there is a more robust version
> of grep out there.  Any pointers would be appreciated.  Thanks in advance.

Well, if there's only one instance somewhere in the file, you could grep
-C 2 foobar <file> | head -3 .....

If there's multiple instances, this won't work, of course.  I tend to
use Perl, in which it's trivial, for things like this.


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