Filter messages from rhc tail

Question

When doing rhc tail -a myApp, I want to filter out all the lines with: GET / 200

I tried

rhc tail -a myApp | grep -V GET

but that does not seem to work.

Answer 1

I think you need a lowercase v, uppercase V seems to be version, at least on my mac...

 -V, --version
             Display version information and exit.

 -v, --invert-match
             Selected lines are those not matching any of the specified patterns.

Were you just getting the version of grep output to the screen?