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Working with hex values in Filemanager batch job


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Emile Straker

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Joined: 27 Mar 2013
Posts: 1
Location: United Kingdom

PostPosted: Tue Sep 12, 2017 1:42 am
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Hi,

I'm trying to do a simple find & replace of a field using the following:

Code:

££FILEM DSU INPUT=DD01,       
££FILEM     PROC=*             
IF FLD(269,9) ¬= '         ' &,
   FLD(269,9) ¬= '000000000'
THEN DO               
  OVLY_OUT('123456789',269) 
  RETURN
END
               


As well as spaces and zeros, the field above can contain x'000000000000000000'

I also want to ignore the field if it is all hex zeros.

The manual advised there are additional operators for Binary, Packed Decimal & Zoned Decimal, but I can't get the result I'm after.

Any help would be greatly appreciated.
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hankoerlemans

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Joined: 25 Jan 2018
Posts: 45
Location: Australia

PostPosted: Mon Jan 29, 2018 2:59 am
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2 ways to code that – In both cases hex string is specified with standard REXX ‘hhhh’x notation.

Option 1 - Using contains operator and one function call – note ‘,,’ is required for parameter delimiter and REXX continuation

IF FLDI(269,9,'CO','000000000000000000'X,,
'000000000',,
' ') THEN
OVLY_OUT('123456789',269)

Option 2 – Using FLD() function similar to what they’ve attempted.
IF FLD(269,9) ¬= '000000000000000000'X,
& FLD(269,9) ¬= '0000000000',
& FLD(269,9) ¬= ' ' THEN
OVLY_OUT('123456789',269)

Under FASTREXX which both will run there would be probably no difference in performance.

Response c/- of FM Developer @ HCLTECH
Cheers Hank, HCLTECH
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