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########## name:图片压缩脚本 ##########
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########## author:xiaoz<xiaoz93@outlook.com> ##########
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########## from: ##########
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########## update:2019-08-23 ##########
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#导入环境变量
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PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/bin:/sbin
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export PATH
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#设置图片绝对路径
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imgpath=''
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#最低图片大小，高于此大小的图片才会进行压缩
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min_size='100k'
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#判断图片路径是否为空
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if [ $imgpath -eq '' ]
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then
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imgpath=$1
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fi
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if [ $imgpath -eq '' ]
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then
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echo 'The image path cannot be empty!'
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exit
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fi
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#压缩png/jpg/bmp图像
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function com_img(){
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#使用optipng压缩.png和.bmp
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find {$1} -mmin -60 -size +{$2} -name '*.png' -exec optipng -o3 {} \;
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find {$1} -mmin -60 -size +{$2} -name '*.bmp' -exec optipng -o3 {} \;
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#使用jpegoptim压缩.jpg
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find {$1} -mmin -60 -size +{$2} -name '*.jpg' -exec jpegoptim -m 80 {} \;
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find {$1} -mmin -60 -size +{$2} -name '*.jpeg' -exec jpegoptim -m 80 {} \;
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}
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#调用压缩函数
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com_img $imgpath $min_size
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