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But the user doesn't know what bytes below x'40' are present, just that
x'12' is currently being encountered.

On Thu, Nov 18, 2021 at 4:42 PM Francois Lavoie <
Francois.Lavoie@xxxxxxxxxxxxxxxxxxxx> wrote:

No, just the few ones present in the strings

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Bruce
Sent: Thursday, November 18, 2021 16:39
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: [EXTERNAL] Re: Remove unprintable chars

I must be missing something, are you suggesting that 64 %scanrpl
operations (to cover x'00' - x'39') over this string is faster than one
loop over the same input string looking for < ' ' (x'40') and replacing
them with blanks?

On Thu, Nov 18, 2021 at 4:25 PM Francois Lavoie <
Francois.Lavoie@xxxxxxxxxxxxxxxxxxxx> wrote:

This solution will be very slooow especially if the string is huge
and if there are more than one to xlate And, this solution only works
with one string: no parm on the proc. In that case, might as well put
the code inline

I would personally take the opposite approach: SCANRPL each
non-printable chars with a blank for each string fields

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