Linux中批量压缩文件夹下的图片脚本命令

#!/bin/bash

# 备份根目录

BACKUP_DIR="./backup"

mkdir -p "$BACKUP_DIR"

# 递归查找 >1 MB 的 png

find . -type f -iname '*.png' -size +1M -print0 |

while IFS= read -r -d '' file; do

    # 计算备份路径并创建目录

    backup_path="$BACKUP_DIR/${file#./}"

    mkdir -p "$(dirname "$backup_path")"

    cp "$file" "$backup_path"

    # 缩放覆盖原图

    convert "$file" -resize 400x400\> -strip "$file"

    echo "scaled: $file"

done