code: def scp(args):
      
      if args.scp_args[0] == "--":
          del args.scp_args[0]
      user_or_hostname_chars = string.ascii_letters + string.digits
      for i, arg in enumerate(args.scp_args):
          if arg[0] in user_or_hostname_chars and ":" in arg:
              hostname, colon, path = arg.partition(":")
              username, at, hostname = hostname.rpartition("@")
              hostname = resolve_instance_public_dns(hostname)
              if not (username or at):
                  try:
                      username, at = get_linux_username(), "@"
                  except Exception:
                      logger.info("Unable to determine IAM username, using local username")
              args.scp_args[i] = username + at + hostname + colon + path
      os.execvp("scp", ["scp"] + args.scp_args)
docs: Transfer files to or from EC2 instance.
  
      Use "--" to separate scp args from aegea args:
  
          aegea scp -- -r local_dir instance_name:~/remote_dir