如何采取可变从远程主机到本地主机在bash
问题描述：
a=5
ssh [email protected] << EOF
b=7
echo "Remote Host b is $b "
EOF
echo "Local host b is $b "
以从远程主机的局部变量的值到localhost如何采取可变从远程主机到本地主机在bash
答
r=$(ssh [email protected] 'b=7; echo $b')
echo "Remote Host b is $r"
或
ssh [email protected] 'b=7; echo "Remote Host b is $b"'