From 607451d7835ac0c00fcc18405ac5c10b5a8e12ee Mon Sep 17 00:00:00 2001
From: xyj <10908227994@qq.com>
Date: Mon, 11 Dec 2023 11:05:05 +0800
Subject: [PATCH] update

---
 bash/delete_than.sh | 17 -----------------
 delete_than20G.py   | 23 +++++++++++++++++++++++
 2 files changed, 23 insertions(+), 17 deletions(-)
 delete mode 100644 bash/delete_than.sh
 create mode 100644 delete_than20G.py

diff --git a/bash/delete_than.sh b/bash/delete_than.sh
deleted file mode 100644
index 15f2ce2..0000000
--- a/bash/delete_than.sh
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/bash
-set -e
-# 指定文件夹路径
-folder="/home/pi/mp4"
-# 进入文件夹
-cd $folder
-# 获取文件夹的大小
-size=$(du -sh "$folder" | awk '{print int($1)}')
-while [ $size -gt 50 ]; do
-  # 获取最早创建的文件
-  oldest_file=$(ls $folder -tr | head -1 | xargs)
-  rm -f $oldest_file
-  size=$(du -sh "$folder" | awk '{print int($1)}')
-  if [ $size -le 50 ]; then
-    exit 0
-  fi
-done
\ No newline at end of file
diff --git a/delete_than20G.py b/delete_than20G.py
new file mode 100644
index 0000000..665e568
--- /dev/null
+++ b/delete_than20G.py
@@ -0,0 +1,23 @@
+import os
+import glob
+import time
+
+# 设置您需要监控的文件夹路径
+folder_path = '/home/lihai/pi/mp4'
+# 删除的达到大小 20G 就一直删除
+size = 20
+# 检查文件夹大小，如果超过20G，则开始删除文件
+# 获取当前文件夹的大小
+while True:
+    folder_size = sum(os.path.getsize(f) for f in glob.glob(os.path.join(folder_path, '*')))
+    if folder_size > size * 1024 * 1024 * 1024:  # 检查是否超过20G
+        # 获取所有文件的时间戳和文件名
+        files_info = [(os.path.getmtime(os.path.join(folder_path, f)), f) for f in os.listdir(folder_path)]
+        # 按时间戳排序，取最旧的文件
+        oldest_file = min(files_info, key=lambda x: x[0])[1]
+        # 删除最旧的文件
+        os.remove(os.path.join(folder_path, oldest_file))
+    else:
+        break
+    # 等待5秒钟
+    time.sleep(5)