Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.atnf.csiro.au/computing/software/gipsy/tsk/history.dc1 Дата изменения: Thu Apr 25 14:43:09 1996 Дата индексирования: Fri Jan 16 18:16:01 2009 Кодировка: Поисковые слова: южная атлантическая аномалия

Program: HISTORY

Purpose: read, or update history or comment in set header

Category: HEADER, UTILITY

File: history.c

Author: M.G.R. Vogelaar

Keywords:

INSET= Give set, subsets:

Maximum number of subsets is 1024.


***STRING= Enter string to add to hist./comm.: [interactive mode]

You can use HISTORY in an automatic or interactive mode.
If you start HISTORY with a STRING= specification,
then this string will be added to the history or
comments depending on ITEM=. Otherwise, the interactive
mode is started.


ITEM= Select COMMENT or HISTORY items: C/[H]


MODE= Do you want to EDIT or READ history items? E/[R]



Description: In automatic mode:
Add string in STRING= to history or comments items
(ITEM=) for all subsets. If STRING= is empty, goto
interactive mode.

In interactive mode:
List (or edit) all available information in the header
of INSET= stored under the commentary (FITS) keywords
COMMENT or HISTORY. One of these is selected with ITEM=
If you want a list of the stored information, use
MODE=R (the default). If you want to edit the infor-
mation, use MODE=E In this mode, you enter the
editor (specified with the environment variable EDITOR)
and edit or create the file. If you save the changes in
the editor, then also the header information will be
updated.
"History text should contain a history of steps and
procedures associated with the processing of the
associated data (NOST)".

INSET= could also select subsets (e.g.
INSET=AURORA FREQ 3:10). Read and edit actions are
repeated for each subset separately. Before starting
an edit action, the edit prompt will display which
subset is used. Usually you will read/edit history and
comment at top level. Then you need only to give the
name of the set (e.g. INSET=AURORA)

If you cancel an edit action, or leave the editor
without writing the changes, the header information
will not be changed.


Notes: Use Hermes debug mode ( S) for debug information.


Updates: Apr 25, 1995: VOG, Document created.
Apr 25, 1996: VOG, STRING= added (automatic mode)