在封闭在bash转义字符命令 [英] Enclosing a command in escape characters in bash

问题描述

我在引号中的命令：

 ssh -i "/home/$USER/$KEY" "$USER"@"$WORKER1IP"   "echo 'if [[ `uname -a` == Darwin* ]]; then' >> /home/$USER/tachyon-0.5.0/conf/tachyon-env.sh"

在的uname的部分已被写入字面上看，没有执行。我尝试使用\\了的uname部分之前，但我不知道如何将其关闭。谁能帮吗？

The "uname" part has to be written literally, not executed. I tried using "\" before the 'uname' part, but I don't know how to close it. Can someone help please?

推荐答案

这应该工作：

ssh -i "/home/$USER/$KEY" "$USER"@"$WORKER1IP"   "echo 'if [[ \"\$(uname -a)\" == Darwin* ]]; then' >> /home/$USER/tachyon-0.5.0/conf/tachyon-env.sh"

这也太：

ssh -i "/home/$USER/$KEY" "$USER"@"$WORKER1IP"   "echo 'if [[ \`uname -a\` == Darwin* ]]; then' >> /home/$USER/tachyon-0.5.0/conf/tachyon-env.sh"

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