class Byebug::PSCommand

def description
  %{ps expression
    Evaluate expression, an array, sort and columnize its value}
end

def execute
  out = StringIO.new
  run_with_binding do |b|
    if Command.settings[:stack_on_error]
      vals = bb_eval(@match.post_match, b)
    else
      vals = bb_warning_eval(@match.post_match, b)
    end
    if vals.is_a?(Array)
      vals = vals.map{|item| item.to_s}
      print "#{columnize(vals.sort!, Command.settings[:width])}\n"
    else
      PP.pp(vals, out)
      print out.string
    end
  end
rescue
  out.puts $!.message
end

def names
  %w(ps)
end

def regexp
  /^\s* ps\s+/x
end