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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     DEFINE FUNCTION with variable length return

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DEFINE FUNCTION with variable length return
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hammo1j
Master
posted
Trying to write function using DEFINE FUNCTION

NOCRLF(inlen,indata) to remove CR and LF

eg CLEANSTR/A67 = NOCRLF(67,PART_NO) ;

Cannot see how to code a variable return format eg for TEMP and NOCRLF

DEFINE FUNCTION NOCRLF(INLEN, INDATA/A256) ;
TEMP/A67 = STRREP (INLEN,INDATA, 1, HEXBYT(13, 'A1'), 1, ' ',INLEN, TEMP);
NOCRLF/A67 = STRREP(INLEN,TEMP, 1, HEXBYT(10, 'A1'), 1, ' ', INLEN, NOCRLF);
END

Anybody know how to do this?


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Posts: 888 | Location: Airstrip One | Registered: October 06, 2006Report This Post
Tony A
Expert
posted Hide Post
John,

I posted a function that managed this a while back (here). It was in response to get the RIGHT n characters from a string but it should give you some syntactical ideas?

T


In FOCUS
since 1986		WebFOCUS Server 8.2.01M, thru 8.2.07 on Windows Svr 2008 R2  
WebFOCUS App Studio 8.2.06 standalone on Windows 10 
 
Posts: 5694 | Location: United Kingdom | Registered: April 08, 2004Report This Post
Danny-SRL
Virtuoso
posted Hide Post
John,

Since you don't know the length of your input string you could use a variable length string. See this example:
  
-* File deffunc.fex
DEFINE FUNCTION NOCRLF(INLEN/I3, INDATA/A255) 
TEMP/A255 = STRREP (INLEN,INDATA, 1, HEXBYT(13, 'A1'), 1, ' ',INLEN, TEMP);
NOCRLF/A255V = STRREP(INLEN,TEMP, 1, HEXBYT(10, 'A1'), 1, ' ', INLEN, NOCRLF);
END

DEFINE FILE CAR
MODEL_BODY/A40=MODEL || HEXBYT(13,'A1') || HEXBYT(10,'A1') || BODYTYPE;
END

TABLE FILE CAR
PRINT MODEL_BODY
BY COUNTRY
BY CAR
ON TABLE HOLD 
END
SAVE AS SAVECRLF
!TYPE SAVECRLF.FTM
-RUN
DEFINE FILE HOLD
TEMP/A40=NOCRLF(40, MODEL_BODY);
END
TABLE FILE HOLD
PRINT TEMP
BY COUNTRY
BY CAR
ON TABLE SAVE
END
-RUN 
!TYPE SAVE.FTM


Daniel
In Focus since 1982
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Posts: 1980 | Location: Tel Aviv, Israel | Registered: March 23, 2006Report This Post
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