Normation/rudder-packages — pull request #214 by VinceMacBuche (2014-01-28 16:41:17+00:00)
Title: Fixes #3928 Fix check-rudder-agent when there is no cf process running

http://www.rudder-project.org/redmine/issues/3928

'grep -v ^$' could also be replaced by 'grep .'

But I find the first one easier to understand.