def safe_append_to_file(relative_path, *args, **options, &block)
      append_to_file(relative_path, *args, **(options.merge(force: false)), &block)
    end
def safe_append_to_file(relative_path, *args, **options, &block)
      append_to_file(relative_path, *args, **(options.merge(force: false)), &block)
    end
def safe_append_to_file ( relative_path , * args , ** options , & block ) append_to_file ( relative_path , args , ** ( options . merge ( force : false ) ) , block ) end
Safely append to file checking if content is not already present

 @api public
Safely append to file checking if content is not already present