Regex, but without

Brad De Vries devriesbj at gmail.com
Tue Jan 29 08:20:16 PST 2008


On Jan 29, 2008 9:37 AM, Michael Hipp <Michael at hipp.com> wrote:
> I'm not a very deep expert on regular expressions, and I can't seem to
> find the answer in my trusty copy of 'Mastering Regular Expressions'.
>
> I want to find all instances of 'python' running for a given user so I
> do this:
>
> $ ps -f -U michael | grep python
> michael  24638 24618  0 08:31 pts/0    00:00:00 python
> michael  24665 24643  0 08:32 pts/1    00:00:00 grep python
>
> But I get that hanger-on in my grep command. I can easily get rid of
> that second line by stringing another grep after it, but there ought to
> be a way to do it with only one regex.
>
> So I need a regex that will find every line with 'python' on it but not
> 'grep'.
>
> Any help?
>
> Michael

Michael, you can try extending what you're looking for in order to
remove the lines you don't want to see.  For example:
     ps -f -U michael | grep "[0-9] python"

This will search for any number, zero through nine, followed by a
space, followed by "python."

HTH,
Brad.



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