gistfile1.lua

function run_target(promptbox)
    return awful.prompt.run({ prompt = promptbox.prompt },
                              promptbox.widget,
                              function (...)
                                  local result = awful.util.spawn(...)
                                  if type(result) == "string" then
                                      promptbox.widget:set_text(result)
                                  elseif type(result) == "number" then
                                      client_destination[result] = { mouse.screen, awful.tag.selected() }
                                  end
                              end,
                              awful.completion.shell,
                              awful.util.getdir("cache") .. "/history")
end