!7

html {
  uri = dropPrefix("/", uri);
  long id = parseLong(uri);
  
  File f = programFile(#1010733, "blob_" + id);
  if (!f.exists())
    saveBinaryPageToFile("http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_" + id, f);

  if (isPNG(f))
    ret subBot_servePNG(f);
  else
    ret subBot_serveJPEG(f);
}