NAME

       lrelease - generate Qt message files from Qt Linguist translation files

SYNOPSIS

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

DESCRIPTION

       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.

OPTIONS

       -help  Display the usage and exit.

       -compress
              Compress the QM files.

       -nounfinished
              Do not include unfinished translations.

       -removeidentical
              If the translated text is the same as the source text, do not include the message.

       -silent
              Do not explain what is being done.

       -version
              Display the version of lrelease and exit.

USAGE

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

           HEADERS         = funnydialog.h \
                             wackywidget.h
           SOURCES         = funnydialog.cpp \
                             main.cpp \
                             wackywidget.cpp
           FORMS           = fancybox.ui
           TRANSLATIONS    = gnomovision_dk.ts \
                             gnomovision_fi.ts \
                             gnomovision_no.ts \
                             gnomovision_se.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.qt.io/qt-5/qtwidgets-tools-i18n-example.html