The export builtin command

Synopsis

export [-fn] [NAME[=VALUE] ...]
export -p

Description

The export builtin command is used to mark variables or functions referenced by NAME for automatic export to the environment. If NAME is a shell variable, a value VALUE can be assigned before exporting it.

Options

Option	Description
`-f`	refer to shell functions
`-n`	remove the export property from any referenced `NAME`
`-p`	print all exported variables, with `-f`, print all exported functions - all in a format re-usable as input

An argument of -- disables further option processing.

Return status

Status	Reason
0	no error
!=0	invalid option
!=0	a given `NAME` is invalid

Examples

Set the display to use when launching a GUI application (useful during SSH sessions):

export DISPLAY=&quot;:0&quot;

Set your default text editor (e.g. SublimeText):

export EDITOR=subl

Portability considerations

in POSIX(r), only the -p option is specified
in POSIX(r), only variables (with value assignment) are to be exported, not shell functions

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