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Document ctrl-r harder, add something on set -x

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Fabian Boehm 2022-08-12 21:27:42 +02:00
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doc_src/faq.rst
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@ -154,7 +154,9 @@ in :ref:`config.fish <configuration>`.
How do I run a command from history? How do I run a command from history?
------------------------------------ ------------------------------------
Type some part of the command, and then hit the :kbd:`↑` (up) or :kbd:`↓` (down) arrow keys to navigate through history matches. Additional default key bindings include :kbd:`Control`\ +\ :kbd:`P` (up) and :kbd:`Control`\ +\ :kbd:`N` (down). See :ref:`Searchable command history <history-search>` for more information. Type some part of the command, and then hit the :kbd:`↑` (up) or :kbd:`↓` (down) arrow keys to navigate through history matches, or press :kbd:`Control`\ +\ :kbd:`R` to open the history in a searchable pager (and press :kbd:`Control`\ +\ :kbd:`S` to move to older history).
Additional default key bindings include :kbd:`Control`\ +\ :kbd:`P` (up) and :kbd:`Control`\ +\ :kbd:`N` (down). See :ref:`Searchable command history <history-search>` for more information.
Why doesn't history substitution ("!$" etc.) work? Why doesn't history substitution ("!$" etc.) work?
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doc_src/fish_for_bash_users.rst
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@ -446,3 +446,11 @@ By now it has become apparent that fish puts much more of a focus on its builtin
- :ref:`status <cmd-status>` provides information about the shell status, e.g. if it's interactive or what the current linenumber is. This replaces ``$-`` and ``$BASH_LINENO`` and other variables. - :ref:`status <cmd-status>` provides information about the shell status, e.g. if it's interactive or what the current linenumber is. This replaces ``$-`` and ``$BASH_LINENO`` and other variables.
- ``seq(1)`` can be used as a replacement for ``{1..10}`` range expansion. If your OS doesn't ship a ``seq`` fish includes a replacement function. - ``seq(1)`` can be used as a replacement for ``{1..10}`` range expansion. If your OS doesn't ship a ``seq`` fish includes a replacement function.
Other facilities
----------------
Bash has ``set -x`` or ``set -o xtrace`` to print all commands that are being executed. In fish, this would be enabled by setting :envvar:`fish_trace`.
Or, if your intention is to *profile* how long each line of a script takes, you can use ``fish --profile`` - see the :ref:`page for the fish command <cmd-fish>`.