"bugs.update.settings" <-
function (n.burnin, bugs.directory){
  char.burnin <- as.character(n.burnin)
  file.copy(file.path(bugs.directory, "System/Rsrc/Registry.odc"),
            file.path(bugs.directory, "System/Rsrc/Registry_Rsave.odc"),
            overwrite = TRUE)
  registry <- readBin(file.path(bugs.directory, "System/Rsrc/Registry.odc"), 
                "character", 400, size = 1, endian = "little")
  info <- registry[regexpr("Int", registry, fixed = TRUE, useBytes = TRUE) > 0]
  while(regexpr("\r", info) > 0){
    newline <- regexpr("\r", info)
    info <- substring(info, newline + 1)
    line <- substring(info, 1, regexpr("\r", info) - 1)
    if(regexpr("AdaptivePhase", line) > 0){
      numpos <- regexpr("Int", line, fixed = TRUE, useBytes = TRUE) + 4
      num <- substring(line, numpos)
      if (as.numeric(num) > n.burnin){
        blanks <- rep(" ", nchar(num, type = "chars") - nchar(char.burnin, type = "chars"))
        num.new <- paste(paste(blanks, collapse = ""), char.burnin, sep = "")
        line.new <- sub(num, num.new, line)
        registry <- sub(line, line.new, registry)
      }
    }
  }
  writeBin (registry,
      file.path(bugs.directory, "System/Rsrc/Registry.odc"), endian = "little")
}