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docs: A bit more on variables

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Fabian Homborg
2020-12-22 21:59:48 +01:00
parent 322ceb7ab4
commit 39e1494c56
2 changed files with 15 additions and 7 deletions
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6
doc_src/fish_for_bash_users.rst
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@@ -23,9 +23,11 @@ Variables
Fish sets and erases variables with :ref:`set <cmd-set>` instead of ``VAR=VAL`` and ``declare`` and ``unset`` and ``export``. ``set`` takes options to determine the scope and exportedness of a variable::
set -gx PAGER less # $PAGER is now global and exported, so this is like `export PAGER=less`
# Define $PAGER global and exported, so this is like ``export PAGER=less``
set -gx PAGER less
set -l alocalvariable foo # $alocalvariable is now only locally defined.
# Define $alocalvariable only locally - like ``local alocalvariable=foo``
set -l alocalvariable foo
or to erase variables::