fstcopy.cc
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// fstbin/fstcopy.cc
// Copyright 2009-2011 Microsoft Corporation
// See ../../COPYING for clarification regarding multiple authors
//
// 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
//
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
// WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
// MERCHANTABLITY OR NON-INFRINGEMENT.
// See the Apache 2 License for the specific language governing permissions and
// limitations under the License.
#include "base/kaldi-common.h"
#include "util/common-utils.h"
#include "fst/fstlib.h"
#include "fstext/table-matcher.h"
#include "fstext/fstext-utils.h"
#include "fstext/kaldi-fst-io.h"
/*
Test:
the command below should print out something similar to the given
input. and if you remove ,t from the output side it should print something
binary.
cat <<EOF | fstcopy ark,t:- ark,t:-
foo
0 1 9 9
1 0.0
EOF
*/
int main(int argc, char *argv[]) {
try {
using namespace kaldi;
using namespace fst;
using kaldi::int32;
const char *usage =
"Copy tables/archives of FSTs, indexed by a string (e.g. utterance-id)\n"
"\n"
"Usage: fstcopy <fst-rspecifier> <fst-wspecifier>\n";
ParseOptions po(usage);
po.Read(argc, argv);
if (po.NumArgs() != 2) {
po.PrintUsage();
exit(1);
}
std::string fst_rspecifier = po.GetArg(1),
fst_wspecifier = po.GetArg(2);
SequentialTableReader<VectorFstHolder> fst_reader(fst_rspecifier);
TableWriter<VectorFstHolder> fst_writer(fst_wspecifier);
int32 n_done = 0;
for (; !fst_reader.Done(); fst_reader.Next(), n_done++)
fst_writer.Write(fst_reader.Key(), fst_reader.Value());
KALDI_LOG << "Copied " << n_done << " FSTs.";
return (n_done != 0 ? 0 : 1);
} catch(const std::exception &e) {
std::cerr << e.what();
return -1;
}
}