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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     [CLOSED] Check if IBI.FIL is empty

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Carlos Dias
Platinum Member
posted
Hi there,
How can I check if the result of a IBI.FIL is null?

I want to make this test because if the returned value is null I want to send a "message" like "No data returned".

Thanks in advanced,
Carlos Dias

This message has been edited. Last edited by: Kerry,


WebFOCUS version: 7.6
Linux/Windows
HTML, Excel
 
Posts: 127 | Location: Aveiro, Portugal | Registered: February 04, 2011Report This Post
GamP
Virtuoso
posted Hide Post
You mean to check if the file used in the IBI.FIL command is empty?
If so, you may want to check OS commands to see if the OS has something that can do that for you (for instance unix has something called 'test -f'). Otherwise you could try to use DM to do a -READ from the file. If return code indicates a record has been read, the file is not empty.


GamP
- Using AS 8.2.01 on Windows 10 - IE11.
in Focus since 1988
 
Posts: 1961 | Location: Netherlands | Registered: September 25, 2007Report This Post
Waz
Expert
posted Hide Post
If you are creating the file in WebFOCUS, then use &LINES after the TABLE Request.


Waz...

Prod:WebFOCUS 7.6.10/8.1.04Upgrade:WebFOCUS 8.2.07OS:LinuxOutputs:HTML, PDF, Excel, PPT
In Focus since 1984
Pity the lost knowledge of an old programmer!

 
Posts: 6347 | Location: 33°49'23.0"S, 151°11'41.0"E | Registered: October 31, 2006Report This Post
John_Edwards
Virtuoso
posted Hide Post
Waz has it. Immediately after you create the hold file, examine (or capture) the value in &LINES and make your decision based on that. At the end of your focexec you can use the logic:

-IF &LINES EQ 0 THEN GOTO EMPTYRPT



 
Posts: 1012 | Location: At the Mast | Registered: May 17, 2007Report This Post
<JG>
posted
If you are creating the file in WebFOCUS then Waz is obviously correct.
However !IBI.FIL. can also be used to serve up static content that has been filedef'd
in which case GamP is correct.
 
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