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SSH

ssh-translation-table

ssh-translation-table — Secure Shell Translation Table

Synopsis

ssh-translation-table [options...]
[filename]

Description

ssh-translation-table is a utility program that generates translation tables for coded character set (CCS) conversions. ssh-translation-table stores the translation table in filename. If filename is not given, ssh-translation-table writes the translation table to standard output.

Options

The following options are available:

-b, --binary

Use the z/OS-specific binary file format.

-f, --from=CODESET

Specify the source code set of the inbound conversion, which is also the target code set of the outbound conversion. The default value is ISO8859-1. For example:

--from ISO8859-15
-t, --to=CODESET

Specify the target code set of the inbound conversion, which is also the source code set of the outbound conversion. The default value is IBM-1047,swaplfnl if the underlying implementation is ICU, otherwise IBM-1047. For example:

--to IBM-037
-l, --list-charsets

List available character sets. Note that all character sets are not single byte character sets. Only single byte character sets can be used.

-D, --debug=LEVEL

Sets the debug level. LEVEL is a number from 0 to 99, where 99 specifies that all debug information should be displayed. This should be the first argument on the command line.

-h, --help

Displays a short summary of command-line options and exits.

Translation Table

A translation table is a file containing two tables describing the character conversion, the inbound table and the outbound table. Each table consists of 256 target values.

In Tectia File Transfer, the inbound table is used when converting data from the line to the data set. The outbound table is used when converting data from a file and sending the data out on the line.

The binary format, which is z/OS specific, consists of three 256 byte fields. The first is a comment in EBCDIC, which is ignored in the conversion software, the second is the inbound table and the third is the outbound table.

The text format can have interspersed comments. The target values are in hexadecimal.

A table is a list of 256 values represented as two hexadecimal characters (from 00 to FF). The position of the value is the index for conversion. The first position, i.e. position 00, represents the converted value for byte value of 0.

The hexadecimal values in the tables are case-insensitive. So values 0a and 0A are the same. Also, it is possible to add comments into the file. The comment starts with character '#'. Everything after that until end of line is treated as comment and ignored. Also all white spaces are ignored.

[Note]Note

Only single byte translations are supported with translation tables.

Here is an example translation table generated with command ssh-translation-table:

## SSH TRANSLATION TABLE FILE FORMAT VERSION 1.0
##################################################################
#
# This file is an example translation table that can be used to
# translate data from 'ISO8859-1' to 'IBM-1047,swaplfnl' while reading
# from a file or from 'IBM-1047,swaplfnl' to 'ISO8859-1' while writing
# to a file.
#
# The format of translation table file is following:
#
# - White spaces are ignored.
# - Everything after '#' character until end of line is a comment
#   that is ignored.
# - The first table is used when writing data to a file.
# - The second table is used when reading data from a file.
# - Both tables must exist.
# - Table is a simple hexadecimal representation of the
#   translation. Each value is represented as two hexadecimal
#   characters. The first line gives the values in table
#   positions 0-15 (00-0F), the second line 16-31 (10-1F)
#   and so on.
#
# Note: Only single byte translations are supported.
#
#################################################################

# Inbound (network to file) translation table:
# IBM-1047,swaplfnl -> ISO8859-1

#0-1-2-3-4-5-6-7-8-9-A-B-C-D-E-F
000102039C09867F978D8E0B0C0D0E0F #0
101112139D0A08871819928F1C1D1E1F #1
808182838485171B88898A8B8C050607 #2
909116939495960498999A9B14159E1A #3
20A0E2E4E0E1E3E5E7F1A22E3C282B7C #4
26E9EAEBE8EDEEEFECDF21242A293B5E #5
2D2FC2C4C0C1C3C5C7D1A62C255F3E3F #6
F8C9CACBC8CDCECFCC603A2340273D22 #7
D8616263646566676869ABBBF0FDFEB1 #8
B06A6B6C6D6E6F707172AABAE6B8C6A4 #9
B57E737475767778797AA1BFD05BDEAE #A
ACA3A5B7A9A7B6BCBDBEDDA8AF5DB4D7 #B
7B414243444546474849ADF4F6F2F3F5 #C
7D4A4B4C4D4E4F505152B9FBFCF9FAFF #D
5CF7535455565758595AB2D4D6D2D3D5 #E
30313233343536373839B3DBDCD9DA9F #F

# Outbound (file to network) translation table:
# ISO8859-1 -> IBM-1047,swaplfnl
#
#0-1-2-3-4-5-6-7-8-9-A-B-C-D-E-F
00010203372D2E2F1605150B0C0D0E0F #0
101112133C3D322618193F271C1D1E1F #1
405A7F7B5B6C507D4D5D5C4E6B604B61 #2
F0F1F2F3F4F5F6F7F8F97A5E4C7E6E6F #3
7CC1C2C3C4C5C6C7C8C9D1D2D3D4D5D6 #4
D7D8D9E2E3E4E5E6E7E8E9ADE0BD5F6D #5
79818283848586878889919293949596 #6
979899A2A3A4A5A6A7A8A9C04FD0A107 #7
202122232425061728292A2B2C090A1B #8
30311A333435360838393A3B04143EFF #9
41AA4AB19FB26AB5BBB49A8AB0CAAFBC #A
908FEAFABEA0B6B39DDA9B8BB7B8B9AB #B
6465626663679E687471727378757677 #C
AC69EDEEEBEFECBF80FDFEFBFCBAAE59 #D
4445424643479C485451525358555657 #E
8C49CDCECBCFCCE170DDDEDBDC8D8EDF #F

# EOF
[Note]Note

When ICU libraries are used for generating ASCII to EBCDICtranslation tables, ,swaplfnl must be added to the EBCDIC codepage name so that ASCII line feed characters (0A) are correctly translated to EBCDIC newline characters (15).

In order to create a custom translation table, first create a translation table with ssh-translation-table and then edit it with any text editor.

Environment Variables

SSH_CHARSET_CONV

The full pathname of the Tectia conversion DLL. Only required if ssh-translation-table or the conversion DLL are not in the installation directories. Here is an example of the pathname:

SSH_CHARSET_CONV=/opt/tectia/lib/shlib/i18n_iconv.so

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