-- A Lua script for refreshing all drawings in a specified directory require "lfs" -- depends on LuaFileSystem library! tpx_path = '................/TpX.exe ' pics_path = '................/' files = lfs.dir(pics_path) for input_filename0 in files do -- Skip non-TpX files if string.sub(input_filename0, -4, -1) == '.TpX' then input_filename0 = pics_path .. input_filename0 code = os.execute(string.format( '%s -f"%s" -o', tpx_path, input_filename0)) print(input_filename0, code) end end