%scan out of range error

[keith_mccully@xxxxxxxxxxxxxxx]

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I am using %scan to split out individual fields from a CSV file:

EVAL      pos = %scan(sep: input : start)
sep = ','  , input is the CSV record and start pos increases as the fields
are stepped through.

 However, I got an error:  'Length or start position is out of  range for
the string operation'. Debug showed that there is a 256 byte limit on the
scan string length although the IBM ILE RPG documentation does not mention
this! I'm on v4r5 and can create character data up to 32,767 so why is the
scan restricted to the RPG3 char max of 256? A scan of 32,767 is extreme
but my input CSV record had a max of 480 which seems very reasonable.  Has
the limit been lifted for v5?

I got by this with a messy workaround of splitting the input into two and
scanning each bit separately. I rejected the QCLSCAN API which has a max
of 999 because of the call overhead.

Keith