linux bash脚本

How to get a ’s directory reliably in Bash on ?

如何在 Bash中可靠地获取的目录？

For example, to get the directory of the executing script $0.

例如，获取执行脚本$0的目录。

can give you .

可以为您提供 。

You can get the absolute path of the script by to handle symbolic links (consider a symbolic link ./run.sh linked to ../../run.sh, dirname ./run.sh will give you .), and then pass the absolute path to dirname.

您可以通过获取脚本的绝对路径来处理符号链接（考虑链接到../../run.sh的符号链接./run.sh， dirname ./run.sh会为您提供. ） ，然后将绝对路径传递到dirname 。

In summary, the script the get the directory of current script is:

总之，获取当前脚本目录的脚本是：

directory=$(dirname $(readlink -f $0))

or

要么

directory=$(dirname $(readlink -f ${BASH_SOURCE[0]}))

to also handle sourced bash script. Check for details of the ${BASH_SOURCE[0]} meaning.

还可以处理源bash脚本。 有关${BASH_SOURCE[0]}含义的详细信息，请查看 。

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linux bash脚本