Hi Gil,
So what would be ideal is for me to rup chcp -q to find the platform's EBCDIC
codepage number, and ASCII codepage number, as is described in the example, in
that link.
It says I'll need to setup rlogin or telnet (to OMVS)... is there a simple way
of doing either of these?
– Vignesh
Mainframe Infrastructure
-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of
Paul Gilmartin
Sent: 07 September 2018 20:11
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: [EXTERNAL] Re: Co:Z question
On Fri, 7 Sep 2018 14:53:59 +0000, Seymour J Metz wrote:
>> Z/OS does not have a code page.
>
>But it does have *many* code pages and it does have a chcp command.
>
A z/OS UNIX command:
https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.3.0/com.ibm.zos.v2r3.bpxa500/ip1.htm
Format
chcp [–r | –q]
chcp [–s] [–a ASCII_cp] [–e EBCDIC_cp]
Description
chcp sets, resets, or queries the current ASCII/EBCDIC code conversion in
effect for the controlling terminal. Use it when the terminal requires ASCII
data and the shell application uses EBCDIC. Do not use chcp if you are logged
on through the TSO/E OMVS command. The _BPX_TERMPATH environment variable
enables shell scripts to tell if the user logged on from TSO, rather from
rlogin or telnet.
...
For a list of code pages supported by the shell, see z/OS XL C/C++ Programming
Guide.
https://www.ibm.com/support/knowledgecenter/SSLTBW_2.3.0/com.ibm.zos.v2r3.cbcpx01/toc.htm?view=kc
Which section? It's a thick document.
... OK. It says you're not supposed to use it from a 3270 session. It
doesn't say what happens if you try. And the OP has already said he's
uncomfortable with the restriction.
Does it cause automatic tagging of files created with a code page in effect?
Does it affect behavior of classic data sets? E.g.:
cp "//'my.data.set(member)'" /dev/fd/1
There's an ISPF command that tells the CCSID in use by a TSO/ISPF session.
That's set by the LOGON handshaking protocol.
Does it have any (useful) effect to code in a (perhaps custom) LOGON PROC:
//TSO EXEC PGM=IKJEFT01,CCSID=...
Why not?
(Some) terminal emulators let you set the desktop code page and the host code
page (the one reported by ISPF) independently. I have had good success with
xterm, setting the desktop code page to UTF-8 and using various host code
pages. ISPF 3.17 nicely displays tagged UNIX files, even UTF-8, as long as all
characters exist in the terminal's configured host code page. Characters not
so available display as attribute bytes.
I don't believe TSO/ISPF supports 1208 as a terminal code page. I don't know
about other MBCS code pages.
I hate EBCDIC!
-- gil
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