SAC Command Reference Manual

UNSETBB

SUMMARY

Unsets (deletes) blackboard variables.

SYNTAX

UNSETBB ALL | variable ...

INPUT

ALL:Unset all of the currently defined blackboard variables.
variable:Unset the blackboard variable variable.

DESCRIPTION

The blackboard is a place to temporarily store information. Blackboard variables are defined using the SETBB and EVALUATE commands. They can be accessed by the GETBB command or used directly in a command by preceeding the name of the variable with a percent sign ("%".) This command allows you to unset previously defined blackboard variables. You may unset all variables or only a named subset.

EXAMPLES

To unset several blackboard variables at once:

SAC> UNSETBB C1 C2 X

To unset all blackboard variables:

SAC> UNSETBB ALL

SEE COMMANDS

SETBB, EVALUATE, GETBB

LATEST REVISION

January 26, 1989 (Version 10.4B)