shell脚本练习目录文件大小复制文件到别处

代码

#!/bin/bash 
datadir=$1
declare -a dirlist 
dirlist=`ls $datadir 2>\dev\null`
for  file  in ${dirlist[@]};
do 
    dir=`pwd`/$file
echo $dir
   size=` du   $dir | awk '{print $1}'` 
   echo $size 
   
   if [ $size -ge  4 ] ; then

      cp  $dir  /home/bigdata/txc
   fi
done