Hi All,
IBM offers all tools build with 'ASCII support' for USS z/OS.
Overview:
Enhanced ASCII support is a collection of services and options for dealing with
the EBCDIC/ASCII
problem. :
Files can be "tagged" (using chtag ) to indicate whether or not they are
pure text files, and if
they are, the character set (CCSID) used to encode them. The typical values
will be "1047" (for ibm-
1047) or "819" (for iso8859-1).
C/C++ programs can be compiled such that all the character and string
constants in the program
are compiled into ASCII (or other code page, for that matter), rather than
EBCDIC.
C/C++ programs are marked with a "program CCSID" that indicates the
character set the program
uses internally. Note that all programs have a program CCSID,
Given a tagged file, data can automatically be converted from one code page
to another when the
file is read or written.
Documentation:
Unix System Services Planning
Chapter 11 (Converting files between code pages), section "Using
Enhanced ASCII" (http://www
.ibm.com/support/knowledgecenter/en/SSLTBW_2.2.0/com.ibm.zos.v2r2.bpxb200/uenha.htm),
provides an
overview of how to setup and use Enhanced ASCII support.
Unix System Services (USS z/OS) Command Reference contains details on these
commands:
chtag - query/change the file type (binary/text) and codeset
information for a file.
ls - the -T flag can be used to display file tag information.
pax - interchange portable archives. pax can record (on archive) and
honor (on restore) file
tag information.
tar - similar to pax. z/OS tar supports processing of file tags.
XL C/C++ Programming Guide
Chapter 11 (Performing z/OS UNIX file system I/O operations), section
"File tagging and
conversion"
(http://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.2.0/com.ibm.zos.v2r2.cbcpx01/cbc
1p273.htm), discusses file tagging, the notion of a program's CCSID, and
various facilities related
to enhanced ASCII support
Chapter 32 "Using environment variables"
(http://www.ibm.com/support/knowledgecenter/en/SSLT
BW_2.2.0/com.ibm.zos.v2r2.cbcpx01/setenv.htm) has very good information and
descriptions of specific
environment variables (see below).
XL C/C++ Runtime Library Reference
Appendix B (Function support table), section "Enhanced ASCII support"
(http://www.ibm.com/su
pport/knowledgecenter/en/SSLTBW_2.2.0/com.ibm.zos.v2r2.bpxbd00/enhascii.htm)
has a good discussion
of the feature test macros defined for various levels of enhanced ASCII support
and a large table
describing the level of support for enhanced ASCII for nearly all runtime
functions.
z/OS Language Environment Programming Reference
Chapter 2 (Using the Language Environment runtime options) describes
the FILETAG runtime
option
z/OS Language Environment Programming Guide
This manual describes how to control runtime options using environment
variables (_CEE_RUNOPTS)
and compile-time pragmas (#pragma runopts).
UNIX System Services z/OS Version 1 Release 7 Implementation Redbook,
Chapters 10.13 (Enhanced
ASCII functionality), 10.14 (Automatic conversion) and 10.15 (File tagging) are
good, but old
(2006).
If all tools will work with ASCII support system, the z/OS can use the
ISO-8859-1 character set
(ASCII) instead of IBM-1047 (EBCDIC) and is VERY VERY GOOD.
We are now build bash-4.3 and git-2.4.0 with ASCII support , we test these
tools. But to complete
the work git needed perl c ASCII support. And so we want to build perl with
ASCII support.
So :
1 how to make a branch hints/os390-ascii.sh or in file hints/os390.sh ?
2 Should to support two branches perl-zOS-ebcdic и perl-zOS-ascii or only
support one perl-zOS-
ascii ?
3 I have the first progress for version perl-zOS-ascii.
--
Regards,
Yaroslav Kuzmin
Developer C/C++ ,z/OS , Linux
3 Zhukovskiy Street · Miass, Chelyabinsk region 456318 · Russia
Tel: +7.922.2.38.33.38
Email: [email protected]
Web: www.rocketsoftware.com
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