#!/bin/sh

 show_usage() {

     echo "Usage: backup_f.sh src_folder bak_folder bak_date"

     echo "**********************************************"

     echo "src_folder - source folder to backup"

     echo "bak_folder - backup folder"

     echo "bak_date   - backup date in YYYYMMDD format"

     echo "bak_filename   - like this: ROOT.tar"

     echo "**********************************************"

 }

 if [ $# -ne  ]; then

     show_usage

     exit

 fi

 src_folder="$1"

 bak_folder="$2"

 bak_date="$3"

 bak_filename="$4"

 bak_file="$bak_folder/$bak_filename" # 这里把备份文件名固定为backup.tar了，你可以根据需要做些修改

 if [ -f $bak_file ]; then

     rm $bak_file

 fi

 #echo $bak_file

 #exit 

 tmpfile="`mktemp`"

 touch -t ${bak_date} $tmpfile

 cd $src_folder

 find . ! -name "persistence.xml" ! -path "./WEB-INF/logs*" ! -path "./Statics/*" ! -path "./scripts/lib/*"  -newer $tmpfile -exec tar rvf $bak_file {} \;

 rm $tmpfile

 if [ -f $bak_file ]; then

 echo "backup file: $bak_file"

 fi

 #ls -l $bak_folder

 #!/bin/sh

 src_folder="/code/git/workSystem/src/main/webapp"

 bak_folder="/Users/cnblogs/Documents/b2bweb"

 last_modify_date=""

 bak_filename="ROOT.tar"

 sh backup_f.sh $src_folder $bak_folder $last_modify_date $bak_filename