• Version 9.4.4 and earlier: listpersistentvars() function not available.
  • Version 9.4.5 and later: listpersistentvars() function available.

The listpersistentvars() procedure returns a list of currently active persistent variables. Variables that expire are not retrieved.

Var = listpersistentvars(wildcard)
wildcard Optional. A glob(3) wildcard limiting the returned values to those matched.

A list that contains the current active persistent variables.

vars = listpersistentvars("a*");