python实现将多个txt文件的内容合并为一个

import os

def merge_txt_files(input_dir, output_file):
    """
    将指定目录中的所有txt文件合并到一个文件中。

    :param input_dir: 包含txt文件的输入目录
    :param output_file: 输出文件路径
    """
    try:
        with open(output_file, 'w', encoding='utf-8') as outfile:
            for filename in os.listdir(input_dir):
                if filename.endswith('.txt'):
                    file_path = os.path.join(input_dir, filename)
                    with open(file_path, 'r', encoding='utf-8') as infile:
                        outfile.write(infile.read())
                        outfile.write('\n')  # 添加换行符以区分不同文件
        print(f"所有txt文件已合并到 {output_file}")
    except Exception as e:
        print(f"发生错误: {e}")

# 使用示例
input_directory = "path/to/your/txt/files"  # 替换为你的txt文件所在的目录路径
output_file_path = "path/to/your/output.txt"  # 替换为合并后的输出文件路径

merge_txt_files(input_directory, output_file_path)

import os
 
 
def read_txt(start, last):
    text_list = []
    for n in range(start, last):
        path = os.path.join('hypotheses', 'hyp' + str(n) + '.en-de.test.txt')
        with open(path, 'r') as f:
            dic = {i: sen for i, sen in enumerate(f.readlines())}
            text_dic = {n: dic}
        text_list.append(text_dic)
    return text_list
 
 
sen_list = []
all_sen_list = read_txt(0, 100)
for j in range(0, 1000):
    for k in range(0, 100):
        srn = all_sen_list[k - 1][k][j]
        sen_list.append(srn)
        with open('sent.txt', 'w', encoding='utf-8') as f:
            f.writelines(sen_list

# 定义要合并的txt文件列表
file_list = ['file1.txt', 'file2.txt', 'file3.txt']

# 创建一个新文件，用于存储合并后的内容
with open('merged_file.txt', 'w') as merge_file:
    # 依次打开每个txt文件，并读取其内容
    for file_name in file_list:
        with open(file_name, 'r') as file:
            # 读取每一行内容，并写入新文件中
            for line in file:
                merge_file.write(line)

# 关闭所有打开的文件
merge_file.close()

import shutil

# 定义要合并的txt文件列表
file_list = ['file1.txt', 'file2.txt', 'file3.txt']

# 创建一个新文件，用于存储合并后的内容
with open('merged_file.txt', 'wb') as merge_file:
    # 依次打开每个txt文件，并将其内容复制到新文件中
    for file_name in file_list:
        with open(file_name, 'rb') as file:
            shutil.copyfileobj(file, merge_file)

# 关闭所有打开的文件
merge_file.close()