#!/bin/bash
function ergodic(){
  for file in `ls $1`
  do
    if [ -d $1"/"$file ]
    then
      ergodic $1"/"$file
    else
      local path=$1"/"$file 
      local name=$file      
      category=${name##*.}
      res="flac"
     if [[ "$category" == "flac" ]];then
        echo "$category" 
        `cp "$path" "/Users/xxx/Documents/歌曲/周杰伦/AllFlac"`
      fi
    fi
  done
}
IFS=$'\n' #这个必须要，否则会在文件名中有空格时出错
INIT_PATH="/Users/xxx/Documents/歌曲/周杰伦";
ergodic $INIT_PATH