Shell脚本批量修改图片尺寸

 #!/bin/sh
 function scandir(){
     local cur_dir parent_dir workdir
     workdir=$
     cd ${workdir}
     if [ ${workdir} = "/" ]
     then
         cur_dir=""
     else
         cur_dir=$(pwd)
     fi

     for dirlist in $(ls ${cur_dir})
     do
         if test -d ${dirlist};then
             cd ${dirlist}
             scandir ${cur_dir}/${dirlist}
             cd ..
         elif [[ "$dirlist" == *phone* ]];then
             ls  ${cur_dir}/${dirlist}
             convert "${cur_dir}/${dirlist}"  -resize 600x600 "${cur_dir}/${dirlist}"
         fi
     done
 }

 if test -d $
 then
         scandir $
 elif test -f $
 then
         echo "you input a file but not a directory,please reinput and try again ."
 else
         echo "the directory isn't exist which you input,please input a new one !"
 fi

修改图片尺寸是用的ImageMagic工具

相关参考资料：

1、ImageMagic Convert 命令

2、Imagemagick中图片大小转换全攻略

3、String contains in bash

4、shell脚本遍历目录及其下子目录