SELECTINFO Function

Returns the status of a select list.

Syntax

SELECTINFO([list || listNumber]{,X})

Syntax Elements

list The name of a variable containing a select list created using the SELECT statement, or loaded using the GETLIST or READLIST statement.

listNumber An expression that evaluates to zero, specifying the active select list.

X An optional dummy expression that can be included for compatibility with some implementations of this function. Currently ignored.

Return Value

SELECTINFO returns @TRUE (non-zero) if the select list is active, or @FALSE (zero) if the list is empty or the variable does not contain or reference a list.

Example

IF SELECTINFO(0) = @FALSE THEN SELECT ORDER.FILE TO 0

Selects the file ORDER.FILE to the active select list if this is empty.