版权声明: https://blog.csdn.net/Dorothy_Xue/article/details/80210014
sudo apt-get install parallel
1. 从png转换到jpg:
parallel convert '{}' '{.}.jpg' ::: *.png
2. 从jpg转换到png:
parallel convert '{}' '{.}.png' ::: *.jpg
sudo apt-get install parallel
parallel convert '{}' '{.}.jpg' ::: *.png
parallel convert '{}' '{.}.png' ::: *.jpg