explainshell.com - rgrep.1 %22User Avi%22 mylog2.log %7C awk %7B%27print %246%27%7D %7C xargs -I user-id grep user-id mylog2.log %7C grep -v %22has id%22

%22User Avi%22 mylog2.log %7C awk %7B%27print %246%27%7D %7C xargs -I user-id grep user-id mylog2.log %7C grep -v %22has id%22

print lines matching a pattern

-I     Process  a  binary  file  as  if  it  did  not  contain  matching  data; this is equivalent to the
       --binary-files=without-match option.

-v, --invert-match
       Invert the sense of matching, to select non-matching lines.  (-v is specified by POSIX.)

source manpages: rgrep