bash: set - Make functions or variable always export.
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Take into account the main readme for this section. README first.
Using set -a in a script or command line will cause a function or variable to export automatically and be available for subsequent commands.
Description of
set -a
: Mark variables which are modified or created for export.Check if variable FRUIT exists.
$ env | grep FRUIT
Make variable export automatically. export command not used.
$ set -a $ FRUIT=apple $ env | grep FRUIT FRUIT=apple
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