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lrelease - Man Page

generate Qt message files from Qt Linguist translation files


lrelease [ options ] project-file
lrelease [ options ] ts-files [ -qm qm-file ]


This page documents the Qt Linguist Release tool for the Qt GUI toolkit. Lrelease reads a qmake/tmake project file (.pro file) and converts the translation files (.ts files) specified in it into Qt message files (.qm files) used by the application to translate.

The .qm file format is a compact binary format that provides extremely fast lookups for translations and that is used by Qt.



Display the usage and exit.


Do not compress the .qm files.


Explain what is being done.


Display the version of lrelease and exit.


Here is an example .pro file that can be given to lrelease:

HEADERS         = funnydialog.h \
SOURCES         = funnydialog.cpp \
                  main.cpp \
FORMS           = fancybox.ui
TRANSLATIONS    = gnomovision_dk.ts \
                  gnomovision_fi.ts \
                  gnomovision_no.ts \

When running lrelease on this project file, the Qt message files gnomovision_dk.qm, gnomovision_fi.qm, gnomovision_no.qm and gnomovision_se.qm will be generated from gnomovision_dk.ts, gnomovision_fi.ts, gnomovision_no.ts and gnomovision_se.ts, respectively.

Lrelease can also be invoked with a list of .ts files to convert:

lrelease gnomovision_*.ts

See Also

lupdate(1) and http://doc.trolltech.com/i18n.html

Referenced By


18 October 2001 Trolltech AS