This command returns a list of the interval data in the project (see Problem and intervals data file (.prb)).
The following options are available:
- -interval <number>: To get data from an interval different from the number 0 (default).
- [otherfields]: It is possible to add this option to get the additional fields from the Interval Data window.
- [books]: If this option is given, a list of the Interval Data books in the project is returned.
- [num]: If this option is given, a list of two natural numbers is returned. The first element of the list is the current interval and the second element is the total number of intervals.