一个事例：
You can set the output file name via -set + some percent escapes
(in this case you need the directory component of the path %d
and the file name without extension %t):
magick convert .\*.jpg -resize 853x480! -set filename:t new_%t %[filename:t].jpg
原文：https://www.cnblogs.com/johnsonshu/p/10184352.html