auto crop images in one-line command in Linux
常用小工具集合： 将本文件夹下的 pdf 文档转换成相应的 jpg 格式，像素 600 px/in for A in *.pdf; do convert -density 600 “$A” “${A%%.}.jpg”; done (Mainly for personal future reference,) using ImageMagick: convert -trim image.jpg image.jpg To trim/autocrop the whole directory: 自动裁剪 for a in *.jpg; Continue reading auto crop images in one-line command in Linux