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fish_for_bash_users: Some more on variables

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Fabian Homborg 2022-06-01 17:32:46 +02:00
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doc_src/fish_for_bash_users.rst
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@ -74,6 +74,26 @@ Specific elements of a list can be selected::
echo $list[5..7] echo $list[5..7]
The arguments to ``set`` are ordinary, so you can also set a variable to the output of a command::
# Set lines to all the lines in file, one element per line
set lines (cat file)
or a mixture of literal values and output::
> set numbers 1 2 3 (seq 5 8) 9
> printf '%s\n' $numbers
1
2
3
5
6
7
8
9
A ``=`` is unnecessary and unhelpful with ``set`` - ``set foo = bar`` will set the variable "foo" to two values: "=" and "bar". ``set foo=bar`` will print an error.
See :ref:`Shell variables <variables>` for more. See :ref:`Shell variables <variables>` for more.
.. [#] zsh also does not perform word splitting by default (the SH_WORD_SPLIT option controls this) .. [#] zsh also does not perform word splitting by default (the SH_WORD_SPLIT option controls this)