import os
import csv
from pathlib import Path
import time

output_csv = "output.csv"
specific_line_number = 1
max_directories = 1000

base_path = "//"
dir_pattern = "nnn/test"
file_name = "hoge.txt"

with open(output_csv, mode='w', newline='', encoding='utf-8') as csv_file:
    csv_writer = csv.writer(csv_file)
    csv_writer.writerow(["Directory", "Text Line", "File Update Time"])

    for i in range(max_directories):
        dir_name = str(i).zfill(3)
        dir_path = base_path + dir_name + dir_pattern
        file_path = os.path.join(dir_path, file_name)

        if os.path.isfile(file_path):
            with open(file_path, encoding='utf-8') as txt_file:
                try:
                    specific_line = txt_file.readlines()[specific_line_number - 1].strip()
                except IndexError:
                    specific_line = ""

            file_update_time = os.path.getmtime(file_path)
            file_update_time_str = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(file_update_time))

            csv_writer.writerow([dir_path, specific_line, file_update_time_str])

print("CSVファイルに出力が完了しました。")

import os
import csv
from pathlib import Path
import time

output_csv = "output.csv"
search_string = "特定の文字列"
max_directories = 1000

base_path = "//"
dir_pattern = "hogennn/test"
file_name = "hoge.txt"

def find_line_with_string(file, search_string):
    with open(file, encoding='utf-8') as txt_file:
        for line_number, line in enumerate(txt_file, start=1):
            if search_string in line:
                return line.strip(), line_number
    return "", -1

with open(output_csv, mode='w', newline='', encoding='utf-8') as csv_file:
    csv_writer = csv.writer(csv_file)
    csv_writer.writerow(["Directory", "Text Line", "Line Number", "File Update Time"])