SelectByIDFile()

Selects map features from a list of feature IDs stored in a file.

Optional options array introduced in Version 5.0.

n_selected = SelectByIDFile (string set_name, string operation, string id_file [, array options])

Argument	Contents
set_name	The name of the selection set
operation	The operation to perform, as indicated below
id_file	A text file containing a list of IDs

Operation	Meaning
several	Replaces the contents of the selection set
less	Removes features from the selection set
more	Adds features to the selection set
subset	Selects a subset of the selection set

Option	Type	Contents
Inclusion	String	"Enclosed" or "Intersecting", overriding the current setting; for more information, see SetSelectInclusion()
Max	Integer	Maximum number of records to select
Display	Boolean	"True" or "False" overriding the current setting; for more information, see SetSelectDisplay()
Auto Redraw	Boolean	"True" or "False" overriding the current setting; for more information, see SetSelectAutoRedraw()
Source And	String	A selection set on the current layer that records must be in to be selected
Source Not	String	A selection set on the current layer that records must not be in to be selected

An integer indicating the number of records in the selection set.

The options array is an optional argument.
All selection commands operate on the current layer.
If the set does not already exist, SelectByIDFile() creates it.
If there is an ID in the file for which there is no corresponding record, the ID is ignored.
The file must consist of one ID per line.

Error Type	Meaning
Error	The set name or the operation type is invalid
NotFound	The ID file does not exist or no features match the IDs in the file

Function	Summary
SelectByQueryFile()	Selects records based on an SQL query that is stored in a file
SelectByIDs()	Selects map features from a list of feature IDs