定时删除脚本 20231214

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保留最近7天的文件-------------------------------------------------------------------------------------------------
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#!/usr/bin/python
# coding=utf-8
import os
import datetime
import logging


def delete_old_files(directory):
    # 获取当前的日期和时间
    current_time = datetime.datetime.now()
    # 设置删除的时间阈值 -- 7天
    delete_before = current_time - datetime.timedelta(days=1)
    # 创建日志文件
    log_file = "/root/log_file.log"
    logging.basicConfig(format='%(asctime)s  %(message)s', filename=log_file, level=logging.INFO)
    # 遍历指定目录下的所有文件和文件夹
    for root, dirs, files in os.walk(directory):
        for file in files:
            file_path = os.path.join(root, file)
            # 获取文件的创建时间
            created_time = datetime.datetime.fromtimestamp(os.path.getctime(file_path))
            # 判断文件的创建时间是否大于阈值
            if created_time < delete_before:
                os.remove(file_path)
                logging.info("Deleted file: {}".format(file_path))


if __name__ == "__main__":
        path_list = {"/usr/local/1", "/usr/local/2"}
        for directory_path in path_list:
                delete_old_files(directory_path)

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保留最近3个文件夹-------------------------------------------------------------------------------------------------
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#!/usr/bin/python
# coding=utf-8
import os
import glob
import shutil
import logging


def delete_old_folder(folder_path):
    # 列出文件夹中的所有文件夹
    folders = glob.glob(os.path.join(folder_path, "*"))
    # 创建日志文件
    log_file = "/root/delete_warbak.log"
    logging.basicConfig(format='%(asctime)s  %(message)s', filename=log_file, level=logging.INFO)
    # 对文件夹按创建时间进行排序
    folders.sort(key=os.path.getctime)
    # 保留最新的三个文件夹
    folders_to_keep = folders[-3:]
    # 删除除最新的三个文件夹外的所有文件夹及其内部文件
    for folder in folders:
        if folder not in folders_to_keep:
            shutil.rmtree(folder)
            logging.info("Deleted folder: {}".format(folder))


if __name__ == "__main__":
    # 指定目录路径和要保留的文件数量
    path_list = {"/usr/local/1", "/usr/local/2"}
    #num_files_to_keep = 3

    # 调用删除旧文件函数
    for folder_path in path_list:
        delete_old_folder(folder_path)

~




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删除临时文件------------------------------------------------------------------------------------------------------
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#!/bin/bash
# coding=utf-8

# 指定要删除文件的目录列表
directory_list=(
    "/usr/local/1"
    "/usr/local/2"
    "/usr/local/3"
)




# 删除目录列表中的所有文件
function delete_files() {
    for directory in "${directory_list[@]}"; do
        rm -rf "$directory"/*
        echo "Deleted files in ${directory}"
    done
	

}

# 调用删除文件函数
delete_files




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保留最近3个文件---------------------------------------------------------------------------------------------------
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#!/usr/bin/python
# coding=utf-8
import os
import glob
import shutil
import logging

def delete_old_files(directory, num_files_to_keep=3):
    # 获取目录下的所有文件，并按修改时间从新到旧排序
    files = glob.glob(os.path.join(directory, "*"))
    files.sort(key=os.path.getmtime, reverse=True)
	
	# 创建日志文件
    log_file = "/root/delete_files_warbak.log"
    logging.basicConfig(format='%(asctime)s  %(message)s', filename=log_file, level=logging.INFO)


    # 删除除最新的 num_files_to_keep 个文件外的其他文件
    for i in range(num_files_to_keep, len(files)):
        file = files[i]
        os.remove(file)
        logging.info("Deleted file: {}".format(file))

if __name__ == "__main__":
	# 指定目录路径和要保留的文件数量
	path_list = {"/usr/local/1", "/usr/local/2", "/usr/local/3"}
	#directory = '/root'
	num_files_to_keep = 3

	# 调用删除旧文件函数
	for directory in path_list:
		delete_old_files(directory, num_files_to_keep)