如何使用echo命令打印#！/bin/bash [英] How to print #!/bin/bash using echo command

问题描述

我尝试了转义字符，但！似乎不起作用. 我需要使用脚本来自动配置软件包.

I have tried the escape character but it doesn't seems works with !. I need this to auto-configure packages using scripts.

推荐答案

!在默认的交互式bash会话中很神奇，但在脚本中却没有(在交互式提示中禁用set +H).无论如何:

! is magic in a default interactive bash session, but not in scripts (set +H to disable in an interactive prompt). In any case:

echo '#!/bin/bash'

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