gistfile1.txt

#!/usr/bin/env ruby

require 'mechanize'

def meminfo
  pid, size = `ps ax -o pid,rss | grep -E "^[[:space:]]*#{$$}"`.strip.split.map(&:to_i)
  return size
end

x = 0

while 1
  Mechanize.start do |mech|
    mech.user_agent_alias = 'Mac Safari'
    page = mech.get 'https://www.google.com'
  end

  m = meminfo

  if m != x
    x = m
    p x
  end
end