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Conference iosg::all-in-1_v30

Title:	OLD ALL-IN-1 (tm) Support Conference
Notice:	Closed - See Note 4331.l to move to IOSG::ALL-IN-1
Moderator:	IOSG::PYE

Created:	Thu Jan 30 1992
Last Modified:	Tue Jan 23 1996
Last Successful Update:	Fri Jun 06 1997
Number of topics:	4343
Total number of notes:	18308

834.0. "Checking format of .WPL file" by SUBURB::TAFF::Wob (Robert Screene, UK Finance EUC) Tue Jun 09 1992 10:36

Hi,
Does anyone know a way within ALL-IN-1 programming to 
determine if a .WPL file actually contains a valid WPS-PLUS 
format file, against simple incorrect ASCII text.  

The TEXT_FILE and COPY functions don't seem to set 
OA$STATUS if there is merely ASCII text inside the input 
file.   Any ideas of a suitable DSR?

The list function seems to get upset about such files, but 
I don't know how to trap a returned message or to stop the 
output if the file is OK.

Thanks in advance, 
Robert.

p.s. this question was part of the 20/20 topic (642.3), but   
   I hid the question in there quite well!

T.R	Title	User	Personal Name	Date	Lines
834.1	Stab in the dark	MDCRAB::HOWARD	Our business is computers not money	`Fri Jun 12 1992 04:58`	4
	Can you get TEXT_FILE to tell you the ruler settings? Won't it tell you that there isn't a ruler? Ben
834.2	GET giving a Ruler back	KETJE::CAPPELLEMANS	The Dark side of the \FORCE	`Fri Jun 12 1992 12:05`	7
	re :-1 Even if i'ts a ASCII file it comes back with a ruler like L-------T-------T------T... and checking for that type of ruler will not help as you can craete such a Ruler in WPS-PLUS Pierre
834.3	First record TYPE is ruler?	SANFAN::LESLIE_DA	Greetings & Solutions	`Mon Jun 15 1992 04:22`	3
	Maybe -.2 has a good idea after all. I believe if you open the file (using TEXT_FILE) the first record would be a ruler. The record type should indicate ruler, maybe this will help?