Picture bulk compression size script sharing _linux Shell

A script to compress the picture, install the #imagemagick# first

Copy Code code as follows:

#!/bin/bash

# yum Install ImageMagick

# Cd/img/dir

for file in */*.jpg; Todo
To_middle_file= "${file%.*}_m.${file##*.}"; FileName plus suffix such as hello_m.jpg
To_small_file= "${file%.*}_s.${file##*.}";
Convert ${img}-resize 300x180! ${to_middle_file};
LS ${to_middle_file};
Convert ${img}-resize 100x60! ${to_small_file};
LS ${to_small_file};
Done

# Convert Resize argument
# 100x200 # width = 200
# 300x # width = #, height = proportional
# x300 # width = Proportional, height = 300
# ! Indicates the cast size, without the "!" Compress pictures in proportion to the original picture