#! /bin/bash
webroot="/root/demo"
cp /dev/null rsync_file
if [ !-f  file.md5 ];then
    find $webroot  -type f -exec md5sum {} \; >>file.md5
else
      for file in $(md5sum -c file.md5|awk  -F':' '/FAILED/{print $1}')
               do
                        if [ -f $file ];then
                        filename_z=$(echo $file|sed 's#/#\\/#g')
                        sed -i "/  $filename_z/"d   file.md5
                        md5sum $file >> file.md5
                        echo $file >> rsync_file
                        else
                        echo $file >>rsync_rm
                        fi
                done
        for newfile in $(find $webroot  -type f)
                do
                        grep $newfile file.md5 >/dev/null 2>&1
                        if  [ $? -gt 0 ];then
                        md5sum $newfile >> file.md5
                        echo "$newfile" >> rsync_file
                        fi
                done
 # 文件同步
 for rfile in $(cat rsync_file)
  do
   rsync -avzp $rfile  /home/www3/
  done
fi