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docs: Add glob example to variable overrides

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And clarify that it'll still run the same things
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Fabian Homborg 2021-01-17 10:31:23 +01:00
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doc_src/index.rst
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@ -979,6 +979,13 @@ Multiple elements can be given in a :ref:`brace expansion<expand-brace>`::
# Call bash with a reasonable default path.
PATH={/usr,}/{s,}bin bash
Or with a :ref:`glob <expand-wildcard>`::
# Run vlc on all mp3 files in the current directory - if no file exists it will still be run with no arguments
mp3s=*.mp3 vlc $mp3s
Unlike other shells, this does *not* inhibit any lookup (aliases or similar). Calling a command after setting a variable override will result in the exact same command being run.
This syntax is supported since fish 3.1.
.. _variables-universal: