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- #!/bin/bash
- # @File : delete_history_image.sh
- # @Author: DJW
- # @Date : 2023-11-06 14:00
- # @Desc : 该脚本实现目标图像目录超过 max_images 张图像就删除旧图像的功能
- image_path="/data/sonar_img"
- max_images=20000
- # 获取当前图片数量
- image_count=$(find "$image_path" -maxdepth 1 -type f -name "*.jpg" | wc -l)
- # 如果图片数量超过最大数量,就开始删除
- if [ "$image_count" -gt "$max_images" ]; then
- # 计算要删除的图片数量
- images_to_delete=$((image_count - max_images))
- # 获取要删除的图片列表,并按修改时间排序
- images=$(find "$image_path" -maxdepth 1 -type f -name "*.jpg" -printf "%T@ %p\n" | sort -n | awk '{print $2}')
- # 删除最旧的图片
- echo "Deleting $images_to_delete images..."
- echo "$images" | head -n "$images_to_delete" | xargs rm -f
- echo "Done!"
- else
- echo "No images to delete."
- fi
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