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@pindex msguniq
@cindex @code{msguniq} program, usage
@example
msguniq [@var{option}] [@var{inputfile}]
@end example
@cindex unify duplicate translations
@cindex duplicate removal
The @code{msguniq} program unifies duplicate translations in a translation
catalog. It finds duplicate translations of the same message ID. Such
duplicates are invalid input for other programs like @code{msgfmt},
@code{msgmerge} or @code{msgcat}. By default, duplicates are merged
together. When using the @samp{--repeated} option, only duplicates are
output, and all other messages are discarded. Comments and extracted
comments will be cumulated, except that if @samp{--use-first} is
specified, they will be taken from the first translation. File positions
will be cumulated. When using the @samp{--unique} option, duplicates are
discarded.
@subsection Input file location
@table @samp
@item @var{inputfile}
Input PO file.
@item -D @var{directory}
@itemx --directory=@var{directory}
@opindex -D@r{, @code{msguniq} option}
@opindex --directory@r{, @code{msguniq} option}
Add @var{directory} to the list of directories. Source files are
searched relative to this list of directories. The resulting @file{.po}
file will be written relative to the current directory, though.
@end table
If no @var{inputfile} is given or if it is @samp{-}, standard input is read.
@subsection Output file location
@table @samp
@item -o @var{file}
@itemx --output-file=@var{file}
@opindex -o@r{, @code{msguniq} option}
@opindex --output-file@r{, @code{msguniq} option}
Write output to specified file.
@end table
The results are written to standard output if no output file is specified
or if it is @samp{-}.
@subsection Message selection
@table @samp
@item -d
@itemx --repeated
@opindex -d@r{, @code{msguniq} option}
@opindex --repeated@r{, @code{msguniq} option}
Print only duplicates.
@item -u
@itemx --unique
@opindex -u@r{, @code{msguniq} option}
@opindex --unique@r{, @code{msguniq} option}
Print only unique messages, discard duplicates.
@end table
@subsection Input file syntax
@table @samp
@item -P
@itemx --properties-input
@opindex -P@r{, @code{msguniq} option}
@opindex --properties-input@r{, @code{msguniq} option}
Assume the input file is a Java ResourceBundle in Java @code{.properties}
syntax, not in PO file syntax.
@item --stringtable-input
@opindex --stringtable-input@r{, @code{msguniq} option}
Assume the input file is a NeXTstep/GNUstep localized resource file in
@code{.strings} syntax, not in PO file syntax.
@end table
@subsection Output details
@c --no-escape and --escape omitted on purpose. They are not useful.
@table @samp
@item -t
@itemx --to-code=@var{name}
@opindex -t@r{, @code{msguniq} option}
@opindex --to-code@r{, @code{msguniq} option}
Specify encoding for output.
@item --use-first
@opindex --use-first@r{, @code{msguniq} option}
Use first available translation for each message. Don't merge several
translations into one.
@item --color
@itemx --color=@var{when}
@opindex --color@r{, @code{msguniq} option}
Specify whether or when to use colors and other text attributes.
See @ref{The --color option} for details.
@item --style=@var{style_file}
@opindex --style@r{, @code{msguniq} option}
Specify the CSS style rule file to use for @code{--color}.
See @ref{The --style option} for details.
@item --force-po
@opindex --force-po@r{, @code{msguniq} option}
Always write an output file even if it contains no message.
@item -i
@itemx --indent
@opindex -i@r{, @code{msguniq} option}
@opindex --indent@r{, @code{msguniq} option}
Write the .po file using indented style.
@item --no-location
@opindex --no-location@r{, @code{msguniq} option}
Do not write @samp{#: @var{filename}:@var{line}} lines.
@item -n
@itemx --add-location=@var{type}
@opindex -n@r{, @code{msguniq} option}
@opindex --add-location@r{, @code{msguniq} option}
Generate @samp{#: @var{filename}:@var{line}} lines (default).
The optional @var{type} can be either @samp{full}, @samp{file}, or
@samp{never}. If it is not given or @samp{full}, it generates the
lines with both file name and line number. If it is @samp{file}, the
line number part is omitted. If it is @samp{never}, it completely
suppresses the lines (same as @code{--no-location}).
@item --strict
@opindex --strict@r{, @code{msguniq} option}
Write out a strict Uniforum conforming PO file. Note that this
Uniforum format should be avoided because it doesn't support the
GNU extensions.
@item -p
@itemx --properties-output
@opindex -p@r{, @code{msguniq} option}
@opindex --properties-output@r{, @code{msguniq} option}
Write out a Java ResourceBundle in Java @code{.properties} syntax. Note
that this file format doesn't support plural forms and silently drops
obsolete messages.
@item --stringtable-output
@opindex --stringtable-output@r{, @code{msguniq} option}
Write out a NeXTstep/GNUstep localized resource file in @code{.strings} syntax.
Note that this file format doesn't support plural forms.
@item -w @var{number}
@itemx --width=@var{number}
@opindex -w@r{, @code{msguniq} option}
@opindex --width@r{, @code{msguniq} option}
Set the output page width. Long strings in the output files will be
split across multiple lines in order to ensure that each line's width
(= number of screen columns) is less or equal to the given @var{number}.
@item --no-wrap
@opindex --no-wrap@r{, @code{msguniq} option}
Do not break long message lines. Message lines whose width exceeds the
output page width will not be split into several lines. Only file reference
lines which are wider than the output page width will be split.
@item -s
@itemx --sort-output
@opindex -s@r{, @code{msguniq} option}
@opindex --sort-output@r{, @code{msguniq} option}
Generate sorted output. Note that using this option makes it much harder
for the translator to understand each message's context.
@item -F
@itemx --sort-by-file
@opindex -F@r{, @code{msguniq} option}
@opindex --sort-by-file@r{, @code{msguniq} option}
Sort output by file location.
@end table
@subsection Informative output
@table @samp
@item -h
@itemx --help
@opindex -h@r{, @code{msguniq} option}
@opindex --help@r{, @code{msguniq} option}
Display this help and exit.
@item -V
@itemx --version
@opindex -V@r{, @code{msguniq} option}
@opindex --version@r{, @code{msguniq} option}
Output version information and exit.
@end table
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