mirror of
https://github.com/fish-shell/fish-shell
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414d9a1eb1
When writing scripts for other shells, it can be confusing and annoying that our `man` function shadows other manual pages, for example `exec(1p)` from [Linux man-pages]. I almost never want to see the fish variant for such contended cases (which obviuosly don't include fish-specific commands like `string`, only widely-known shell builtins). For the contented cases like `exec`, the POSIX documentation is more substantial and useful, since it describes a (sub)set of languages widely used for scripting. Because of this I think we should stop overriding the system's man pages. Nowadays we offer `exec -h` as intuitive way to show the documentation for the fish-specific command (note that `help` is not a good replacement because it uses a web browser). Looking through the contended commands, it seems like for most of them, the fish version is not substantially different from the system version. A notable exception is `read` but I don't think it's a very important one. So I think we should can sacrifice a bit of the native fish-scripting experience in exchange for playing nicer with other shells. I think the latter is more important because scripting is not our focus, the way I see it. So maybe put our manpath at the end. In lieu of that, let's at least have `exec.rst` reference the system variant. [Linux man-pages]: https://www.kernel.org/doc/man-pages/ Closes #10376
53 lines
1.9 KiB
ReStructuredText
53 lines
1.9 KiB
ReStructuredText
.. _cmd-cd:
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cd - change directory
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=====================
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Synopsis
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--------
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.. synopsis::
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cd [DIRECTORY]
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Description
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-----------
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.. only:: builder_man
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NOTE: This page documents the fish builtin ``cd``.
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To see the documentation on any non-fish versions, use ``command man cd``.
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``cd`` changes the current working directory.
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If *DIRECTORY* is given, it will become the new directory. If no parameter is given, the :envvar:`HOME` environment variable will be used.
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If *DIRECTORY* is a relative path, all the paths in the :envvar:`CDPATH` will be tried as prefixes for it, in addition to :envvar:`PWD`.
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It is recommended to keep **.** as the first element of :envvar:`CDPATH`, or :envvar:`PWD` will be tried last.
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Fish will also try to change directory if given a command that looks like a directory (starting with **.**, **/** or **~**, or ending with **/**), without explicitly requiring **cd**.
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Fish also ships a wrapper function around the builtin **cd** that understands ``cd -`` as changing to the previous directory.
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See also :doc:`prevd <prevd>`.
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This wrapper function maintains a history of the 25 most recently visited directories in the ``$dirprev`` and ``$dirnext`` global variables.
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If you make those universal variables your **cd** history is shared among all fish instances.
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As a special case, ``cd .`` is equivalent to ``cd $PWD``, which is useful in cases where a mountpoint has been recycled or a directory has been removed and recreated.
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The **--help** or **-h** option displays help about using this command, and does not change the directory.
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Examples
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--------
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::
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cd
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# changes the working directory to your home directory.
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cd /usr/src/fish-shell
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# changes the working directory to /usr/src/fish-shell
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See Also
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--------
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Navigate directories using the :ref:`directory history <directory-history>` or the :ref:`directory stack <directory-stack>`
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