chapter_info ( : : Chapter : Info )

Information concerning the chapters on procedures.

The operator chapter_info gives information concerning the chapters on procedures. If instead of Chapter the empty string is transmitted, the routine will provide in Info the names of all chapters. If on the other hand a certain chapter or a chapter and its subchapter(s) are indicated (by a tuplet of names), the corresponding subchapters or - in case there are no further subchapters - the names of the corresponding procedures will be given. The organization of the chapters on procedures is the same as the organization of chapters and subchapters in the HORUS-manual. Please note: The chapters on procedures respectively the subchapters concerning an individual procedure can be called by using the operator proc_info(::<Name>,'chapter',Info:). The Online-texts will be taken from the files english.hlp, english.sta, english.num and english.idx, which will be searched by HORUS in the currently used directory or the directory 'help_dir' (see also get_system and set_system).


Parameters

Chapter (input_control)
string(-array) -> string
Procedure class or subclass of interest.
Default value: ''

Info (output_control)
string-array -> string
Procedure classes (Chapter = '') or procedure subclasses respectively procedures.


Result

If the parameter values are correct and if the helpfile is available, the operator chapter_info returns the value TRUE. Otherwise an exception is raised.


Possible Predecessors

get_system, set_system


See also

proc_info, get_system, set_system



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