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关于shell中使用ssh的变量问题

 2 years ago
source link: http://blog.colorccm.com/2020/11/06/it/shell_ssh/
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关于shell中使用ssh的变量问题

发表于2020-11-06|更新于2020-11-06|it
阅读量:6

在shell中使用ssh对远程服务器进行操作，对于变量需要特殊标记。

shell
localparam="hello"
ssh user@ip <<EOF
  echo ${localparam}
  remoteparam="world"
  echo \${remote} #远程的变量需要用\$
EOF

例如需要ssh到远程服务器上操作，并且有for循环操作的，就需要注意远程变量的问题

shell
ssh user@ip <<EOF
  for i in $(echo test.txt)
  do
    echo ${i}  #无法正确显示
    echo \${i} #可以正确显示
  done
EOF

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