小编Tal*_*ali的帖子

#!/bin/bash -x

ssh -T root@jumpbox ssh -T root@IP << EOF  
YY=$(date +'%y')  
echo $YY  
EOF  

输出：

Trying tunnel from jumpbox...  
Pseudo-terminal will not be allocated because stdin is not a terminal.  
-bash: line 6: YY: command not found

我需要分配的变量更复杂，它不是我的描述中显示的年份编号。