truncate (NotesStream - JavaScript™)
Deletes the contents of a stream.
Defined in
NotesStreamSyntax
truncate() : void
Usage
This method throws an exception if the stream is read-only. See IsReadOnly.When a stream is truncated, property values are:
Closing a stream with zero bytes deletes the associated file.
Examples
This button creates a note collection from the documents in the current database and exports it to a text file as DXL.var stream:NotesStream = session.createStream();
var filename:string = "c:\\dxl\\";
filename = filename + database.getFileName();
filename = filename.substring(0, filename.length() - 3) + "dxl";
if (stream.open(filename)) {
requestScope.status = "Opened " + filename;
stream.truncate();
// Create note collection
var nc:NotesNoteCollection = database.createNoteCollection(false);
nc.setSelectDocuments(true);
nc.buildCollection();
// Export note collection as DXL
var exporter:NotesDxlExporter = session.createDxlExporter();
var output:string = exporter.exportDxl(nc);
stream.writeText(output);
requestScope.status = "Exported note collection as DXL ";
stream.close();
} else {
requestScope.status = "Unable to open " + filename;
}