ps.1posix eww -o command 1234 %7C tr %27 %27 %27%5Cn%27 
report process status
 
-o  format
       Write information according to the format specification given in format.  This is fully  described
       in  the  STDOUT  section.  Multiple -o options can be specified; the format specification shall be
       interpreted as the <space>-separated concatenation of all the format option-arguments.
source manpages: ps