Linux mysql自动备份问题

#!/bin/sh
#this is a auto backup script
#powered by kanon
#2009-10-11
#setting start
#set the dbname,dblogin,dbpswd,bckpath,logpath,and bckmethod DBName=mysql
DBUser=root
DBPasswd=gtjy2009
BackupPath=/usr/local/www/back/
LogFile=/usr/local/www/back/bck.log
DBPath=/usr/local/mysql/
BackupMethod=mysqldump
#BackupMethod=myqlhotcopy
BackupMethod=tar
#setting end NewFile="$BackupPath""$DBName"$(date +%Y%m%d).tgz
DumpFile="$BackupPath""$DBName"$(date +%Y%m%d)
OldFile="$BackupPath""$DBName"$(date +%Y%m%d --date='5 days ago').tgz
echo date +%Y%m%d >> $LogFile
echo "-----------------start backup--------------------------------------" >> $LogFile
echo "-----------------------------check and delete old file-------------">>$LogFile
#delete old file
if [ -f $OldFile ]
then
rm -f $OldFile
echo "[$OldFile] delete old file success!">>$LogFile
else
echo "[$OldFile] no old file!">>$LogFile
fi
echo "-----------------------------create new file-------------">>$LogFile if
///到这里就不在执行了，这是为什么呢 求大神 帮助一下
[ -f $NewFile ]
then
echo "[$NewFile] the file is exists">>$LogFile
else
case $BackupMethod in
/usr/local/mysql/bin/mysqldump)
if [ -z $DBPasswd ]
then
/usr/local/mysql/bin/mysqldump -u$DBUser --opt $DBName>$DumpFile
else
/usr/local/mysql/bin/mysqldump -u$DBUser -p$DBPasswd --opt $DBName>$DumpFile
fi
tar czvf @NewFile $DumpFile
echo "[$NewFile] backup success!">>$LogFile
rm -rf $DumpFile
;;
/usr/local/mysql/bin/mysqlhotcopy)
rm -rf $DumpFile
mkdir $DumpFile
if [-z $DBPasswd]
then
/usr/local/mysql/bin/mysqlhotcopy -u$DBUser $DBName $DumpFile
else
/usr/local/mysql/bin/mysqlhotcopy -u$DBUser -p$DBPasswd $DBName $DumpFile
fi
tar czvf $NewFile $DumpFile
echo "[$NewFile] backup success!">>$LogFile
rm -rf $DumpFile
;;
esac
fi
echo "-----------------backup over--------------------------------------" >> $LogFile