gistfile1.rb

#!/usr/bin/env ruby
dir = "YOUR_DOWNLOAD_DIR"
config = "/home/YOUR_USER_NAME/.config/transmissioncli/torrents"
while true
  flag = false
  Dir.entries(dir).each do |f|
    if f.split(".").last == "part"
      flag = false
      break
    end
    next if File.ftype("#{dir}#{f}") != "file" or f.split(".").last == "part" #f == "." or f == ".." or f == "windows"
    Dir.entries(config).each do |t|
      flag = true if t =~ /#{f.gsub(/\ /, "\\ ").gsub(/\[/, "\\[").gsub(/\]/, "\\]").gsub(/\(/, "\\(").gsub(/\)/, "\\)")}/
    end
  end
  if flag
    `killall transmissioncli`
    "killed"
  end
  sleep 30
end