合并文件，将文件名加到行里面

import os

def merge_txt_files():
    """
    合并当前文件夹下所有的.txt文件，并将文件名加到行里面
    """
    merged_lines = []
    current_dir = os.getcwd()
    for file_name in os.listdir(current_dir):
        if file_name.endswith('.txt'):
            file_path = os.path.join(current_dir, file_name)
            with open(file_path, 'r') as file:
                for line in file.readlines():
                    line = line.rstrip()  # 去除每行原有的换行符
                    merged_lines.append(f"{file_name}\t{line}\n")
    return merged_lines

merged_result = merge_txt_files()
for line in merged_result:
    print(line, end='')

# 若要将合并后的内容保存到新文件中，可添加以下代码：
# with open('merged_all_txt_files.txt', 'w') as output_file:
#     output_file.writelines(merged_result)