#! /usr/bin/env python3

import sys, os

args = ' '.join(sys.argv[1:])
if "--sort=" not in args:
   args += " --sort=user"

pager = os.environ.get("PAGER", "more")
# if pager is 'less', option '-S' must be passed to it
if pager == 'less':
    less = os.environ.get("LESS") or ''
    opt = 'S'
    if opt not in less:
        less = opt + less
        os.environ["LESS"] = less
os.system("ps %s | %s" % (args, pager))