Korn Shell Programming by Example

export

Official Description

Variable names are marked for automatic export to the environment of subsequently executed commands.

Syntax

export [name[=value ...]]

Options

-p displays variables preceded by export.

Oddities

Similar to typeset -x.

Example

 $ myvar=den # Create local variable $ $ print $myvar # Display contents den $ $ ksh # Create new shell process $ $ print $myvar # Variable myvar is local to parent shell $ $ exit # Back to parent shell $ $ print $myvar # Still available den $ $ export myvar # Make it an environment variable $ $ print $myvar # Looks the same den $ $ ksh # Create new shell $ $ print $myvar # Variable is available den $ $ exit # Exit from child shell $ $ export –p # List exported variables preceded by 'export' export ...