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  1.  Home
  2. RPG400-L
  3. July 2020

%Subst and %len with UTF-8 data

Hello All,

While experimenting with CCSID(*UTF8)  I found the following:

- I have a character variable BufIn with CCSID(*UTF8); containing (amongst others) a Euro-sign (€; x'E282AC' in UTF-8)
- I have a variable length (length 10) character variable ChrUtf with CCSID(*UTF8)
- When I try to get the Euro-sign into ChrUtf with 'ChrUtf = %subst(BufIn: pos: 1)' ChrUtf contains x'0001E2'.

I am inclined to consider this a bug.

- I have another variable EurUtf - char(3) ccsid(*utf8) - which I initialized with X'E282AC' (€)
- After 'ChrUtf = EurUtf' ChrUtf contains x'0003E282AC' and %len(ChrUtf) yields 3; the number of bytes in the string; not the number of characters.

I am inclined to consider this a bug as well.

I guess we need Barbara Morris to shed some light on this.

Joep Beckeringh
Pantheon Automatisering BV


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