bash 如何在bash中快速返回上一个工作目录?
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How to return to previous working directory quickly in bash?
提问by Ethan Zhang
When I change into a directory with the cdcommand, I lose the previous working directory, unless I remember it in my memory. Is there some handy method to go back quickly?
当我用cd命令切换到一个目录时,我丢失了以前的工作目录,除非我记得它。有什么方便的方法可以快速返回吗?
Demo:
演示:
$ cd ~/some_path
$ cd /another_path
$ command_to_go_back_to_some_path
采纳答案by pizza
You can also do this
你也可以这样做
$ pushd ~/some_path
$ pushd /another_path
$ popd
$ popd
回答by Darragh Enright
You can go back to the last dir with cd -
你可以回到最后一个目录 cd -
回答by codaddict
As mentioned you can use cd -. The shell internally does a cd $OLDPWD.
如前所述,您可以使用cd -. shell 在内部做了一个cd $OLDPWD.
回答by yantaq
if you want to use it in script and suppress the output do this:
如果您想在脚本中使用它并抑制输出,请执行以下操作:
cd - > /dev/null
回答by Benjamin W.
For usage in a script, you could use the OLDPWDshell variable: it contains the previous working directory.
对于在脚本中的使用,您可以使用OLDPWDshell 变量:它包含以前的工作目录。
$ pwd
/home/username
$ cd /usr/bin
$ pwd
/usr/bin
$ cd "$OLDPWD"
$ pwd
/home/username
I prefer this over cd -in scripts because I don't have to suppress any output.
我更喜欢cd -在脚本中使用它,因为我不必抑制任何输出。

