HP Unified Extensible Firmware Interface - Manual (Page 49)

set
Displays, changes, or deletes a UEFI Shell environment variable.
Syntax
set [-v] [sname [value]]
set [-d sname]
Options
-v Sets a volatile variable that disappears at the next boot.
-d Deletes a variable.
sname Specifies a variable name.
value Specifies a variable value.
Description
This command maintains the UEFI Shell environment variables. It can be used to:
•
Display environment variables.
•
Create new environment variables.
•
Change the value of existing environment variables.
•
Delete environment variables.
This command sets the environment variable specified by sname to the optional value parameters.
If used without any parameters, then all the environment variables are displayed. If used with the
-d
option, then the environment variable that is specified bysname is deleted.
NOTE: This command does not change the value of the environment variable lasterror.
Examples
To add an environment variable:
Shell> set DiagnosticPath fs0:\efi\diag;fs1:\efi\diag
To display environment variables:
Shell> set
* path : .
diagnosticPath : fs0:\efi1.1\diag;fs1:\efi1.1\diag
To delete an environment variable:
Shell> set -d diagnosticpath
Shell> set
* path : .
“
To change an environment variable:
fs0:\> set src efi
fs0:\> set
]* path : .;fs0:\efi\tools;fs0:\efi\boot;fs0:\
src : efi
fs0:\> set src efi1.1
fs0:\> set
* path : .;fs0:\efi\tools;fs0:\efi\boot;fs0:\
src : efi1.1
To append an environment variable:
Shell> set
* path : .
Shell> set path %path%;fs0:\efi\tools;fs0:\efi\boot;fs0:\
UEFI Shell commands 49