c primer plus(第五版)读书笔计 第三章(4)

#!/bin/bash
TODAY=`date +'%Y%m%d%H%M%S'`
BACKUP_DIR=/home/path_to_file/publish/FILENAMEback
FILE_DIR=/PATH/TO/FILE
find $FILE_DIR/ -type f > /home/publish_file.list
sed -i 's/\/PATH\/TO\/FILE\>//g' /home/pubilsh_file.list

if [ ! -d $BACKUP_DIR$TODAY ]; then
mkdir -p $BACKUP_DIR$TODAY
fi

for s in $(cat /home/publish_file.list)
do
if [ ! -d $BACKUP_DIR$TODAY${s%/*} ];then
mkdir -p $BACKUP_DIR$TODAY${s%/*}
fi
done
for s in $(cat /home/publish_file.list)
do
/bin/cp -fr /var/www/html$s $BACKUP_DIR$TODAY$s
done

find $BACKUP_DIR$TODAY  -type f

if [ $? = 0 ];then
/bin/cp -fr $FILE_DIR/projectname /var/www/html/projectname
rm -rf $FILE_DIR/*

fi