Shell 递归多个子目录下的文件cp or mv到同一个目录下

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# File Name: cpToFile.sh
# Author: zsj
# Created Time: Mon 24 Apr 2017 12:30:09 PM CST
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#!/bin/bash

src="/home/zsj/data"　　  　　　//源文件的父目录
dst="/home/zsj/testDest"　　//目标目录

function read_dir(){
for file in `ls $1`;do   #操作1
#   echo "-->"$file
if [ -d $1"/"$file ];then
read_dir $1"/"$file
elif [ -f $1"/"$file ];then # 操作2｜｜cp base file to dst file
# echo $1$"/"$file
[ `cp $1"/"$file $dst` ]
#   else echo ".."
fi
done
}

read_dir $src
echo "successful!"
#echo $1"  "$2