```ruby
require 'cinch'

class DCTVBot < Cinch::Bot

  # Command Control
  # attr_accessor :cleverbot_enabled, :dctv_commands_enabled

  # Twitter Endpoint
  # attr_accessor :twitter

  def initialize(&b)
    super

    # Handle SIGINT (Ctrl-C)
    trap "SIGINT" do
      debug "Caught SIGINT, quitting..."
      self.quit
    end

    # Handle SIGTERM (Kill Command)
    trap "SIGTERM" do
      debug "Caught SIGTERM, quitting..."
      self.quit
    end
  end

  def custom_log_file(file_name, log_level)
    file = open(file_name, 'a')
    file.sync = true
    self.loggers << Cinch::Logger::FormattedLogger.new(file)
    self.loggers.first.level = log_level
  end

end
```

Set default log level for custom log
user
```ruby
require 'cinch'

class DCTVBot < Cinch::Bot

  # Command Control
  # attr_accessor :cleverbot_enabled, :dctv_commands_enabled

  # Twitter Endpoint
  # attr_accessor :twitter

  def initialize(&b)
    super

    # Handle SIGINT (Ctrl-C)
    trap "SIGINT" do
      debug "Caught SIGINT, quitting..."
      self.quit
    end

    # Handle SIGTERM (Kill Command)
    trap "SIGTERM" do
      debug "Caught SIGTERM, quitting..."
      self.quit
    end
  end

  # Set a custom log file for the bot
  def custom_log_file(file_name, log_level=:info)
    file = open(file_name, 'a')
    file.sync = true # Write buffered data immediately
    self.loggers << Cinch::Logger::FormattedLogger.new(file)
    self.loggers.first.level = log_level
  end

end
```
assistant