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I'm not sure I understand how to define the "field" and/or record format in the printer file.
Also, I need to "store" it somewhere so that I can "reprint" if necessary.

-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxxxxxxxx] On Behalf Of Charles Wilt
Sent: Tuesday, August 11, 2020 4:33 PM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Base64 decode

Assuming the data is ASCII (likely)...

I'd look at sending it to the printer via a *USRASCII printer file...

Then you could avoid the conversion.

Charles


On Tue, Aug 11, 2020 at 1:40 PM Greg Wilburn <
gwilburn@xxxxxxxxxxxxxxxxxxxxxxx> wrote:

Thanks for the explanation.

So when I decode the Base64 into an RPG variable, do I need to assign the
correct CCSID to that RPG Variable (I would assume yes)?

When I use the IFS APIs to write this to a file on the IFS, I would assume
I need to OPEN() the file with the same CCSID, correct?

That's where I'm having a bit of trouble. One of the data strings
contained the "trademark" symbol (TM). Since I'm doing nothing with CCSIDs
(i.e. using 37), it seems to translate that to x'99'. When I send that to
the Zebra printer, it simply doesn't print (which is OK).

I just want to avoid any kind of conversion errors.

Thanks,
Greg

-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxxxxxxxx] On Behalf Of
Patrik Schindler
Sent: Tuesday, August 11, 2020 2:29 PM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Base64 decode

Hello Vernon & Greg,

Am 11.08.2020 um 18:49 schrieb Vernon Hamberg <vhamberg@xxxxxxxxxxxxxxx>:

Base64 takes any byte-sequence and takes 6 bits of it at a time and uses
that number as an index into a table of 64 (2*6) ASCII characters,
comprising upper and lower case letters, the 10 digits, and a couple
puncutation - 000000 -> A, for example.

Using this, it is possible to send binary data to any system - it does
take 4 Base64 characters for every 3 bytes.

Or, explained more easily: Mangle binary data so it is represented by text
(not actual language) contained within the original ASCII character set, to
to be transferred to any ASCII capable system without loss of data because
of different charsets, or even non 8-bit clean links. A leftover from
ancient times, then called uuencode (and having a slightly different
method).

Recommended reading:

https://en.wikipedia.org/wiki/Base64

https://en.wikipedia.org/wiki/Uuencoding

https://en.wikipedia.org/wiki/YEnc

:wq! PoC

PGP-Key: DDD3 4ABF 6413 38DE - https://www.pocnet.net/poc-key.asc

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