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// farextract.cc
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Copyright 2005-2010 Google, Inc.
// Author: riley@google.com (Michael Riley)
// Modified: jpr@google.com (Jake Ratkiewicz) to use new arc dispatch
//
// \file
// Extracts component FSTs from an finite-state archive.
//
#include <fst/extensions/far/main.h>
#include <fst/extensions/far/farscript.h>
DEFINE_string(filename_prefix, "", "Prefix to append to filenames");
DEFINE_string(filename_suffix, "", "Suffix to append to filenames");
DEFINE_int32(generate_filenames, 0,
"Generate N digit numeric filenames (def: use keys)");
DEFINE_string(keys, "",
"Extract set of keys separated by comma (default) "
"including ranges delimited by dash (default)" );
DEFINE_string(key_separator, ",", "Separator for individual keys");
DEFINE_string(range_delimiter, "-", "Delimiter for ranges of keys");
int main(int argc, char **argv) {
namespace s = fst::script;
string usage = "Extracts FSTs from a finite-state archive.\n\n Usage:";
usage += argv[0];
usage += " [in1.far in2.far...]\n";
std::set_new_handler(FailedNewHandler);
SET_FLAGS(usage.c_str(), &argc, &argv, true);
vector<string> ifilenames;
for (int i = 1; i < argc; ++i)
ifilenames.push_back(strcmp(argv[i], "") != 0 ? argv[i] : "");
if (ifilenames.empty()) ifilenames.push_back("");
const string &arc_type = fst::LoadArcTypeFromFar(ifilenames[0]);
s::FarExtract(ifilenames, arc_type, FLAGS_generate_filenames,
FLAGS_keys, FLAGS_key_separator, FLAGS_range_delimiter,
FLAGS_filename_prefix, FLAGS_filename_suffix);
return 0;
}
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