Use the NULLSET command to set variable values to NULL for individual variables, or a list variables.
Options
ALL VARIABLES
Sets all variables to NULL.
EXCEPT varlist
Specifies variable values that the NULLSET command will not set to NULL. You can use wildcards in variable names.
VARIABLES varlist
Sets one or more variable values to NULL. Use this option at the end of a complete set of procedures to set variable values to NULL. You can use wildcards in variable names.
About the NULLSET Command
NULLSET provides the ability to NULL variable values for a list variables. Only system variables are not effected by the NULLSET command.
Examples
Example 01:
-- Sets the vCost and vReportName variable values to NULL
NULLSET VAR vCost, vReportName
Example 02:
-- Sets the all variable values that begin with vcust to NULL
NULLSET VAR vCust%
Example 03:
-- Sets all variable values to NULL, with the except of system variables
NULLSET ALL VAR EXCEPT vOutput