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With bash is there a way to push and pop the current working directory? I tried writing bash;cd dir; ./dostuff;exit; but the current directory is now dir.

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3 Answers 3

up vote 22 down vote accepted

There is pushd and popd

Bash will keep a history of the directories you visit, you just have to ask. Bash stores the history in a stack and uses the commands pushd and popd to manage the stack.

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Calling bash starts a new subshell, which has its own input; none of the other commands will run until it exits. Surrounding the commands to be run with parens will also start a new subshell, but it will run the commands within it.

( cd dir ; ./dostuff )
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If you don't need multiple levels of directory history, you can also do:

cd foo
# do your stuff in foo
cd -

Compared to pushd/popd, this has the disadvantage that if cd foo fails, you end up in the wrong directory with cd -.

(Probably cd - is more handy outside scripts. "Let's go back where I just was.")

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