export

mark names for export

KornShell Built-in


SYNOPSIS

export [name[=value] ...]

export -p


DESCRIPTION

export marks each name so that the current KornShell exports it automatically to the environment of all commands executed from that shell. Exported variables are thus available in the environment to all subsequent commands. Several commands (for example, cd, date, and vi) look at environment variables for configuration or option information.

Variable assignments of the form name=value assign value to name as well as marking name for export.

Calling export without arguments presents a list, with appropriate quoting of the names and values of all variables in the format:
Variable="value"
If you re-input this format to another shell, variables are assigned appropriately but not exported. The -p option lists variables in a format suitable for re-input to the shell (see the description of the -p option).

Options

-p

lists variables in the form

export name="value"
suitable for re-input to the shell.


DIAGNOSTICS

Possible exit status values:
0

Successful completion.

1

Failure due to invalid command line argument.

2

Failure resulting in a usage message, usually due to invalid command line option.


PORTABILITY

POSIX.2. x/OPEN Portability Guide 4.0.

export is a special built-in command of the Bourne Shell and KornShell on UNIX systems.


NOTE

This is a special built-in command of the MKS KornShell.


SEE ALSO

Commands:
cd, date, set, sh, typeset, vi


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