Lunix/Mac下根据最后修改时间复制文件和文件夹，保持原有的目录结构

 1 #!/bin/sh
 2  
 3 show_usage() {
 4     echo "Usage: backup_f.sh src_folder bak_folder bak_date"
 5     echo "**********************************************"
 6     echo "src_folder - source folder to backup"
 7     echo "bak_folder - backup folder"
 8     echo "bak_date   - backup date in YYYYMMDD format"
 9     echo "bak_filename   - like this: ROOT.tar"
10     echo "**********************************************"
11 }
12  
13  
14 if [ $# -ne 4 ]; then
15     show_usage
16     exit 1
17 fi
18  
19 src_folder="$1"
20 bak_folder="$2"
21 bak_date="$3"
22 bak_filename="$4"
23  
24 bak_file="$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
25 if [ -f $bak_file ]; then
26     rm $bak_file
27 fi
28 #echo $bak_file
29 #exit 1
30  
31 tmpfile="`mktemp`"
32 touch -t ${bak_date}0000 $tmpfile
33 cd $src_folder
34 find . ! -name "persistence.xml" ! -path "./WEB-INF/logs*" ! -path "./Statics/*" ! -path "./scripts/lib/*"  -newer $tmpfile -exec tar rvf $bak_file {} \;
35 rm $tmpfile
36 
37 if [ -f $bak_file ]; then
38 echo "backup file: $bak_file"
39 fi
40 #ls -l $bak_folder

1 #!/bin/sh 
2 src_folder="/code/git/workSystem/src/main/webapp"
3 bak_folder="/Users/cnblogs/Documents/b2bweb"
4 last_modify_date="20151028"
5 bak_filename="ROOT.tar"
6  
7 sh backup_f.sh $src_folder $bak_folder $last_modify_date $bak_filename