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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | INVARIANT CHARACTERS | ENVIRONMENT | VERSION | COPYRIGHT | SEE ALSO | COLOPHON |
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GENRB(1) ICU 76.0.1 Manual GENRB(1)
genrb - compile a resource bundle
genrb [ -h, -?, --help ] [ -V, --version ] [ -v, --verbose ] [ -e,
--encoding encoding ] [ -j, --write-java [ encoding ] ] [ -s,
--sourcedir source ] [ -d, --destdir destination ] [ -i,
--icudatadir directory ] bundle ...
genrb converts the resource bundle source files passed on the
command line to their binary form or to a Java source file for use
with ICU4J. The resulting binary files have a .res extension
while resource bundle source files typically have a .txt
extension. Java source files have a java extension and follow the
ICU4J naming conventions.
It is customary to name the resource bundles by their locale name,
i.e. to use a local identifier for the bundle filename, e.g.
ja_JP.txt for Japanese (Japan) data, or root.txt for the root
bundle. In any case, genrb will produce a file whose base name is
the name of the locale found in the resource file, not the base
name of the resource file itself.
The binary files can be read directly by ICU, or used by
pkgdata(1) for incorporation into a larger archive or library.
-h, -?, --help
Print help about usage and exit.
-V, --version
Print the version of genrb and exit.
-v, --verbose
Display extra informative messages during execution.
-e, --encoding encoding
Set the encoding used to read input files to encoding. The
default encoding is the invariant (subset of ASCII or
EBCDIC) codepage for the system (see section INVARIANT
CHARACTERS). The encodings UTF-8, UTF-16BE, and UTF-16LE
are automatically detected if a byte order mark (BOM) is
present.
-j, --write-java [ encoding ]
Generate a Java source code for use with ICU4J. An optional
encoding for the Java file can be given.
-s, --sourcedir source
Set the source directory to source. The default source
directory is specified by the environment variable
ICU_DATA, or the location set when ICU was built if
ICU_DATA is not set.
-d, --destdir destination
Set the destination directory to destination. The default
destination directory is specified by the environment
variable ICU_DATA or is the location set when ICU was built
if ICU_DATA is not set.
-i, --icudatadir directory
Look for any necessary ICU data files in directory. For
example, when processing collation overrides, the file
ucadata.dat must be located. The default ICU data
directory is specified by the environment variable
ICU_DATA.
The invariant character set consists of the following set of
characters, expressed as a standard POSIX regular expression: [a-
z]|[A-Z]|[0-9]|_| |+|-|*|/. This is the set which is guaranteed
to be available regardless of code page.
ICU_DATA
Specifies the directory containing ICU data. Defaults to
${prefix}/share/icu/76.0.1/. Some tools in ICU depend on
the presence of the trailing slash. It is thus important to
make sure that it is present if ICU_DATA is set.
76.0.1
Copyright (C) 2000-2002 IBM, Inc. and others.
derb(1)
pkgdata(1)
This page is part of the ICU (International Components for
Unicode) project. Information about the project can be found at
⟨http://site.icu-project.org/home⟩. If you have a bug report for
this manual page, see ⟨http://site.icu-project.org/bugs⟩. This
page was obtained from the project's upstream Git repository
⟨https://github.com/unicode-org/icu⟩ on 2025-08-11. (At that
time, the date of the most recent commit that was found in the
repository was 2025-08-07.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
ICU MANPAGE 16 April 2002 GENRB(1)
Pages that refer to this page: derb(1), icupkg(8)