Thus,`$ var` yields the intermediate string ls, which runs as a shell command to produce the contents of the local directory. 因此,`$var`产生中间字符串ls,它作为shell命令运行,生成当前目录的内容列表。
If any send connectors are configured to use credentials, the password is written to the intermediate XML file as an encrypted string. 如果将任意发送连接器配置为使用凭据,则密码将作为加密字符串写入中间xml文件。