[u] 统一名字，统一变量

Author: kamly

backup_import/mysql_backup_import.sh

@@ -15,7 +15,7 @@ mysql_sql_backup(){
         service mysqld start # 启动mysql
     fi
 
-    mkdir $mysql_backup
+    mkdir ${mysql_backup}
     ${mysql_install_dir}/bin/mysqldump -u${mysql_enter_user} -P${mysql_port} -p${mysql_root_pass} --all-databases > ${mysql_backup}/mysql_`date +%Y%m%d`.sql  # data
     cp -R ${mysql_install_dir}/etc ${mysql_backup}  # etc
 
@@ -55,7 +55,7 @@ else
         mysql_root_pass=${mysql_root_pass:=root} # 提供默认
 
         if [ $1 == "backup" ];then
-            echo -e "You select backup Mysql Data from $mysql_data"
+            echo -e "You select backup Mysql Data from ${mysql_data}"
             mysql_sql_backup
         elif [ $1 == "import" ];then
             if [ -z $2 ];then

backup_import/nginx_back.sh renamed to backup_import/nginx_backup.sh

@@ -16,9 +16,9 @@ nginx_backup(){
     fi
 
     mv  /data/www /data/www_backup # www 只是移动目录
-    check_dir_exist $nginx_backup
-    cp -R $nginx_install_dir/ssl $nginx_backup # ssl
-    cp -R $nginx_install_dir/conf $nginx_backup # conf
+    check_dir_exist ${nginx_backup}
+    cp -R ${nginx_install_dir}/ssl ${nginx_backup} # ssl
+    cp -R ${nginx_install_dir}/conf ${nginx_backup} # conf
 
     if [[ $? == 0 ]];then
         echo -e " \033[32m Backup nginx Data success! \033[0m"
@@ -31,7 +31,7 @@ nginx_backup(){
 
 # 备份命令 ./nginx_backup_import.sh backup  
 
-if [ ! -d $nginx_install_dir ];then
+if [ ! -d ${nginx_install_dir} ];then
     # 没有安装nginx
     echo -e "${RED} No Nginx Server in your System!!"
 else

backup_import/redis_back_import.sh renamed to backup_import/redis_backup_import.sh

@@ -15,7 +15,7 @@ redis_backup(){
         service redis start # redis
     fi
 
-    mkdir $redis_backup
+    mkdir ${redis_backup}
     ${redis_install_dir}/src/redis-cli -h 127.0.0.1 -p ${redis_port} -a "${redis_root_pass}" SAVE # data
     mv ${redis_data}/dump.rdb  ${redis_backup}/redis_`date +%Y%m%d`.rdb # data
     cp -R ${redis_install_dir}/etc ${redis_backup} # etc