import os
import shutil

def find_shortest_file(directory):
    shortest_file = None
    shortest_file_length = float('inf')
    for file in os.listdir(directory):
        file_path = os.path.join(directory, file)
        if os.path.isfile(file_path) and len(file) < shortest_file_length:
            shortest_file = file_path
            shortest_file_length = len(file)
    return shortest_file

def move_file(source, destination):
    shutil.move(source, destination)

directory = "/var/data"

shortest_file = find_shortest_file(directory)

if shortest_file is not None:
    destination = "/var/result/data.txt"
    move_file(shortest_file, destination)