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/* Remove, select or merge duplicate translations.
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Copyright (C) 2001-2004 Free Software Foundation, Inc.
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Written by Bruno Haible <haible@clisp.cons.org>, 2001.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "error-progname.h"
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#include "relocatable.h"
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#define _(str) gettext (str)
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/* Force output of PO file even if empty. */
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/* Target encoding. */
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static const char *to_code;
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static const struct option long_options[] =
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{ "add-location", no_argument, &line_comment, 1 },
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{ "directory", required_argument, NULL, 'D' },
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{ "escape", no_argument, NULL, 'E' },
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{ "force-po", no_argument, &force_po, 1 },
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{ "help", no_argument, NULL, 'h' },
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{ "indent", no_argument, NULL, 'i' },
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{ "no-escape", no_argument, NULL, 'e' },
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{ "no-location", no_argument, &line_comment, 0 },
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{ "no-wrap", no_argument, NULL, CHAR_MAX + 2 },
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{ "output-file", required_argument, NULL, 'o' },
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{ "properties-input", no_argument, NULL, 'P' },
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{ "properties-output", no_argument, NULL, 'p' },
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{ "repeated", no_argument, NULL, 'd' },
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{ "sort-by-file", no_argument, NULL, 'F' },
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{ "sort-output", no_argument, NULL, 's' },
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{ "strict", no_argument, NULL, 'S' },
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{ "stringtable-input", no_argument, NULL, CHAR_MAX + 3 },
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{ "stringtable-output", no_argument, NULL, CHAR_MAX + 4 },
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{ "to-code", required_argument, NULL, 't' },
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{ "unique", no_argument, NULL, 'u' },
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{ "use-first", no_argument, NULL, CHAR_MAX + 1 },
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{ "version", no_argument, NULL, 'V' },
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{ "width", required_argument, NULL, 'w', },
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/* Forward declaration of local functions. */
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static void usage (int status)
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#if defined __GNUC__ && ((__GNUC__ == 2 && __GNUC_MINOR__ >= 5) || __GNUC__ > 2)
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__attribute__ ((noreturn))
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main (int argc, char **argv)
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const char *input_file;
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string_list_ty *file_list;
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msgdomain_list_ty *result;
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bool sort_by_msgid = false;
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bool sort_by_filepos = false;
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/* Set program name for messages. */
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set_program_name (argv[0]);
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error_print_progname = maybe_print_progname;
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#ifdef HAVE_SETLOCALE
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/* Set locale via LC_ALL. */
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setlocale (LC_ALL, "");
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/* Set the text message domain. */
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bindtextdomain (PACKAGE, relocate (LOCALEDIR));
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textdomain (PACKAGE);
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/* Ensure that write errors on stdout are detected. */
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atexit (close_stdout);
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/* Set default values for variables. */
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while ((optchar = getopt_long (argc, argv, "dD:eEFhino:pPst:uVw:",
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long_options, NULL)) != EOF)
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case '\0': /* Long option. */
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dir_list_append (optarg);
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message_print_style_escape (false);
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message_print_style_escape (true);
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sort_by_filepos = true;
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message_print_style_indent ();
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output_file = optarg;
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message_print_syntax_properties ();
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input_syntax = syntax_properties;
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sort_by_msgid = true;
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message_print_style_uniforum ();
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value = strtol (optarg, &endp, 10);
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message_page_width_set (value);
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case CHAR_MAX + 2: /* --no-wrap */
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message_page_width_ignore ();
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case CHAR_MAX + 3: /* --stringtable-input */
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input_syntax = syntax_stringtable;
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case CHAR_MAX + 4: /* --stringtable-output */
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message_print_syntax_stringtable ();
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usage (EXIT_FAILURE);
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/* Version information requested. */
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printf ("%s (GNU %s) %s\n", basename (program_name), PACKAGE, VERSION);
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/* xgettext: no-wrap */
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printf (_("Copyright (C) %s Free Software Foundation, Inc.\n\
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This is free software; see the source for copying conditions. There is NO\n\
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warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
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printf (_("Written by %s.\n"), "Bruno Haible");
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/* Help is requested. */
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usage (EXIT_SUCCESS);
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/* Test whether we have an .po file name as argument. */
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else if (optind + 1 == argc)
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input_file = argv[optind];
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error (EXIT_SUCCESS, 0, _("at most one input file allowed"));
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usage (EXIT_FAILURE);
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/* Verify selected options. */
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if (!line_comment && sort_by_filepos)
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error (EXIT_FAILURE, 0, _("%s and %s are mutually exclusive"),
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"--no-location", "--sort-by-file");
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if (sort_by_msgid && sort_by_filepos)
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error (EXIT_FAILURE, 0, _("%s and %s are mutually exclusive"),
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"--sort-output", "--sort-by-file");
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/* Determine list of files we have to process: a single file. */
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file_list = string_list_alloc ();
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string_list_append (file_list, input_file);
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/* Read input files, then filter, convert and merge messages. */
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allow_duplicates = true;
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result = catenate_msgdomain_list (file_list, to_code);
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string_list_free (file_list);
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/* Sorting the list of messages. */
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msgdomain_list_sort_by_filepos (result);
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else if (sort_by_msgid)
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msgdomain_list_sort_by_msgid (result);
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/* Write the PO file. */
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msgdomain_list_print (result, output_file, force_po, false);
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/* Display usage information and exit. */
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if (status != EXIT_SUCCESS)
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fprintf (stderr, _("Try `%s --help' for more information.\n"),
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Usage: %s [OPTION] [INPUTFILE]\n\
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/* xgettext: no-wrap */
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Unifies duplicate translations in a translation catalog.\n\
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Finds duplicate translations of the same message ID. Such duplicates are\n\
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invalid input for other programs like msgfmt, msgmerge or msgcat. By\n\
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default, duplicates are merged together. When using the --repeated option,\n\
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only duplicates are output, and all other messages are discarded. Comments\n\
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and extracted comments will be cumulated, except that if --use-first is\n\
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specified, they will be taken from the first translation. File positions\n\
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will be cumulated. When using the --unique option, duplicates are discarded.\n\
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Mandatory arguments to long options are mandatory for short options too.\n"));
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Input file location:\n"));
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INPUTFILE input PO file\n"));
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-D, --directory=DIRECTORY add DIRECTORY to list for input files search\n"));
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If no input file is given or if it is -, standard input is read.\n"));
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Output file location:\n"));
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-o, --output-file=FILE write output to specified file\n"));
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The results are written to standard output if no output file is specified\n\
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Message selection:\n"));
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-d, --repeated print only duplicates\n"));
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-u, --unique print only unique messages, discard duplicates\n"));
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Input file syntax:\n"));
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-P, --properties-input input file is in Java .properties syntax\n"));
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--stringtable-input input file is in NeXTstep/GNUstep .strings syntax\n"));
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Output details:\n"));
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-t, --to-code=NAME encoding for output\n"));
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--use-first use first available translation for each\n\
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message, don't merge several translations\n"));
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-e, --no-escape do not use C escapes in output (default)\n"));
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-E, --escape use C escapes in output, no extended chars\n"));
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--force-po write PO file even if empty\n"));
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-i, --indent write the .po file using indented style\n"));
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--no-location do not write '#: filename:line' lines\n"));
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-n, --add-location generate '#: filename:line' lines (default)\n"));
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--strict write out strict Uniforum conforming .po file\n"));
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-p, --properties-output write out a Java .properties file\n"));
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--stringtable-output write out a NeXTstep/GNUstep .strings file\n"));
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-w, --width=NUMBER set output page width\n"));
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--no-wrap do not break long message lines, longer than\n\
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the output page width, into several lines\n"));
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-s, --sort-output generate sorted output\n"));
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-F, --sort-by-file sort output by file location\n"));
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Informative output:\n"));
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-h, --help display this help and exit\n"));
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-V, --version output version information and exit\n"));
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fputs (_("Report bugs to <bug-gnu-gettext@gnu.org>.\n"),