A script for compressing images
$ compress.py destdir [rate]
required:
- destdir : include all image dir
optional:
- rate : compress rate, default 60% (new witdh/ old width, as well as height)
a : b : 1.jpg
2.jpg
c : 1.png
2.png
after runing
new a : b : 1.jpg
2.jpg
c : 1.png
2.png