include("import") func doWalk(_data) // TODO need_os() println('for ' + dirpath + ', ' + dirnames + ',' + filenames + ' in os.walk(' + Top + (isndef(Topdown)?', Topdown = False':'') + (isndef(FollowLinks)?', FollowLinks = True':'') + '):') block.inclvl() event(onWalk) block.declvl() end func root() return(dirpath) end func dirs() return(dirnames) end func files() return(filenames) end