CNAME = LITERAL (Read)
The name of
component (residing within the extension) to be examined or modified. It is only accessed
CTYPE = LITERAL (Read)
The type of
component (residing within the extension) to be created. Allowed values are
The length of the character type may be defined by appending the length, for example,
is a 32-character component.
"_CHAR" generate 80-character components.
CTYPE is only accessed when OPTION=
CVALUE = LITERAL (Read)
The value(s) for
the component. Each value is converted to the appropriate data type for the component.
CVALUE is only accessed when OPTION=
"Put". Note that for an array of values the list
must be enclosed in brackets, even in response to a prompt. For convenience,
TRUE, you are prompted for each string.
LOOP = _LOGICAL (Read)
FALSE requests that only one operation be performed. This allows batch and
non-interactive processing or use in procedures. LOOP=
TRUE makes SETEXT operate in a
looping mode that allows several modifications and/or examinations to be made to
the NDF for one activation. Setting OPTION to
"Exit" will end the looping.
NDF = NDF (Update)
The NDF to modify or examine.
NEWNAME = LITERAL
The new name of a renamed extension component. It is only accessed
OK = _LOGICAL (Read)
This parameter is used to seek
confirmation before a component is erased or overwritten. A
TRUE value permits the
FALSE value leaves the existing component unchanged. This parameter is
ignored when LOOP=
OPTION = LITERAL (Read)
The operation to perform
on the extension or a component therein. The recognised options are listed
|–- Delete an existing NDF extension.
|–- Erase a component within an NDF extension
|–- Exit from the task (when LOOP=|
|–- Display the value of a component within an NDF extension. The component
|–- Change the value of a component within an NDF extension or create a new
|–- Renames a component. The component must exist.
"Select"] –- Selects another extension. If the extension does not exist a new
one is created. This option is not allowed when LOOP=
The suggested default is the current value, except for the first option where there is
SHAPE( ) = _INTEGER (Read)
The shape of the component. Thus
be a two-dimensional object with three elements along each of two lines.
0 creates a
scalar. The suggested default is the shape of the object if it already exists,
otherwise it is the current value. It is only accessed when OPTION=
= LITERAL (Read)
The name of the extension to modify.
XTYPE = LITERAL
The type of the extension to create. The suggested default is the
current value or
"EXT" when there is no current value.