如何在终端内递归地批量调整Ubuntu中的图像？ [英] How to batch resize images in Ubuntu recursively within the terminal?

问题描述

我有多个图像存储在一组有组织的文件夹中。我需要从父目录中将这些图像重新调整为特定百分比递归。我正在运行Ubuntu 11.10，我更喜欢直接从终端学习如何做到这一点。

I have multiple images stored in a set of organized folders. I need to re-size those images to a specific percentage recursively from their parent directory. I am running Ubuntu 11.10 and i prefer learning how to do that directly from the terminal.

推荐答案

你可以使用 imagemagick 。例如，要将当前目录下的所有JPG图像调整为其原始大小的50％，您可以执行以下操作：

You could use imagemagick. For instance, for resizing all the JPG images under the current directory to 50% of their original size, you could do:

for f in `find . -name "*.jpg"`
do
    convert $f -resize 50% $f.resized.jpg
done

生成的文件名称中将包含两次.jpg。如果这是一个问题，您可以检查以下备选方案。

The resulting files will have ".jpg" twice in their names. If that is an issue, you can check the following alternatives.

要遍历/查找要调整大小的文件，可以使用 xargs 。示例：

For traversing/finding the files to resize, you can use xargs too. Example:

find . -name "*.jpg" | xargs convert -resize 50%

这将创建图像的副本。如果您只想将它​​们转换为，您可以使用：

This will create copies of the images. If you just want to convert them in place, you can use:

find . -name "*.jpg" | xargs mogrify -resize 50%

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