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getting substring
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MacLonghorn
Platinum Member
posted
In dialog manager, I'm trying to trim the spaces from the end of a string. I tried TRIM, but of course WF expects me to know the length of the result string. So I tried ARGLEN to get it. I don't quite have it. Any help?

-SET &MSG = 'Here I am ';
-SET &LEN = ARGLEN(30, &MSG, 'I2');
-SET &MSG2 = SUBSTR(30, &MSG, 1, &LEN, &LEN, 'A&LEN');
-TYPE '&MSG2'

On a side note, why can't WF figure out how many chars I'm returning if I provide the start/end position? And why must I know how many characters will be returned? *geez*

Thanks in advance
 
Posts: 150 | Registered: July 26, 2007Report This Post
susannah
Expert
posted Hide Post
-SET &ME = GETUSER('A8');
-SET &AL = ARGLEN( &ME.LENGTH , &ME, 'I2' );
-TYPE results of getuser function is &ME length is &ME.LENGTH Arglen=&AL

The .LENGTH operator will measure trailing blanks. And it works fine as the input to the ARGLEN function.

And update the Signature block inyour profile, so we know what product/release/system you're on.

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



In Focus since 1979///7706m/5 ;wintel 2008/64;OAM security; Oracle db, ///MRE/BID
 
Posts: 3811 | Location: Manhattan | Registered: October 28, 2003Report This Post
MacLonghorn
Platinum Member
posted Hide Post
good to know about the .LENGTH feature, but I am able to get the length using ARGLEN, b/c I do know the incoming string length. what I'm trying to do is somehow dynamically concatenate the 'A' with the length to format the result. I know there's a way to do it, but apparently the 'A&LEN' doesn't quite do it. (sorry, I had "signature" unchecked)


Thanks.

Mark
WF 7.6 Windows
 
Posts: 150 | Registered: July 26, 2007Report This Post
MacLonghorn
Platinum Member
posted Hide Post
Yep, that's what I had been looking for. Thanks Tom Guru.


Thanks.

Mark
WF 7.6 Windows
 
Posts: 150 | Registered: July 26, 2007Report This Post
Piipster
Guru
posted Hide Post
quote:
On a side note, why can't WF figure out how many chars I'm returning if I provide the start/end position? And why must I know how many characters will be returned? *geez*


Some functions like EDIT are part of the FOCUS/WebFOCUS language. Historically, the other functions were known as User Written Subroutines, because that's exactly what they are. They were provided by the FOCUS user community and, therefore, were designed by many different people. That's why you'll see many inconsistencies in the arguments required for the subroutines. My functions manual is always at hand because I don't try to remember the syntax of the different routines.


ttfn, kp


Access to most releases from R52x, on multiple platforms.
 
Posts: 346 | Location: Melbourne Australia | Registered: April 15, 2003Report This Post
PBrightwell
Master
posted Hide Post
Because the format is in quotes you have to force it to evaluate the variable.

-SET &MSG2 = SUBSTR(30, &MSG, 1, &LEN, &LEN, 'A&LEN.EVAL');


Pat
WF 7.6.8, AIX, AS400, NT
AS400 FOCUS, AIX FOCUS,
Oracle, DB2, JDE, Lotus Notes
 
Posts: 755 | Location: TX | Registered: September 25, 2007Report This Post
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