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Commit 0893134543 (Added .editorconfig file (#3332) (#3313),
2016-08-25) trimmed trailing whitespace for Markdown file (which do
have significant trailing whitespace) but ReStructuredText does not,
and none of our Markdown files cares about this, so let's clean up
whitespace always.
49 lines
1.0 KiB
ReStructuredText
49 lines
1.0 KiB
ReStructuredText
export - compatibility function for exporting variables
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=======================================================
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Synopsis
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--------
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.. synopsis::
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export
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export NAME=VALUE
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Description
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-----------
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``export`` is a function included for compatibility with POSIX shells. In general, the :doc:`set <set>`
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builtin should be used instead.
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When called without arguments, ``export`` prints a list of currently-exported variables, like ``set
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-x``.
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When called with a ``NAME=VALUE`` pair, the variable ``NAME`` is set to ``VALUE`` in the global
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scope, and exported as an environment variable to other commands.
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There are no options available.
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Example
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-------
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The following commands have an identical effect.
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::
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set -gx PAGER bat
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export PAGER=bat
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Note: If you want to add to e.g. ``$PATH``, you need to be careful to :ref:`combine the list <cartesian-product>`. Quote it, like so::
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export PATH="$PATH:/opt/bin"
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Or just use ``set``, which avoids this::
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set -gx PATH $PATH /opt/bin
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See more
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--------
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1. The :doc:`set <set>` command.
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