matrix-dim.cc File Reference

#include "base/kaldi-common.h"
#include "util/common-utils.h"
#include "matrix/kaldi-matrix.h"

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Functions
int	main (int argc, char *argv[])

Function Documentation

main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 25 of file matrix-dim.cc.

References kaldi::ClassifyRspecifier(), SequentialTableReader< Holder >::Done(), ParseOptions::GetArg(), KALDI_WARN, SequentialTableReader< Holder >::Key(), kaldi::kNoRspecifier, SequentialTableReader< Holder >::Next(), ParseOptions::NumArgs(), MatrixBase< Real >::NumCols(), MatrixBase< Real >::NumRows(), ParseOptions::PrintUsage(), ParseOptions::Read(), kaldi::ReadKaldiObject(), and SequentialTableReader< Holder >::Value().

                                 {
  try {
    using namespace kaldi;

    const char *usage =
        "Print dimension info on an input matrix (rows then cols, separated by tab), to\n"
        "standard output.  Output for single filename: rows[tab]cols.  Output per line for\n"
        "archive of files: key[tab]rows[tab]cols\n"
        "Usage: matrix-dim [options] <matrix-in>|<in-rspecifier>\n"
        "e.g.: matrix-dim final.mat | cut -f 2\n"
        "See also: feat-to-len, feat-to-dim\n";

    ParseOptions po(usage);

    po.Read(argc, argv);

    if (po.NumArgs() != 1) {
      po.PrintUsage();
      exit(1);
    }

    if (ClassifyRspecifier(po.GetArg(1), NULL, NULL) != kNoRspecifier) {
      std::string matrix_rspecifier = po.GetArg(1);
      SequentialBaseFloatMatrixReader matrix_reader(matrix_rspecifier);
      int32 num_read = 0;
      for (; !matrix_reader.Done(); matrix_reader.Next(), num_read++) {
        const Matrix<BaseFloat> &mat = matrix_reader.Value();
        std::cout << matrix_reader.Key() << '\t'
                  << mat.NumRows() << '\t' << mat.NumCols() << '\n';
      }
      if (num_read == 0)
        KALDI_WARN << "No features read from rspecifier '"
                   << matrix_rspecifier << "'";
      return (num_read == 0 ? 1 : 0);
    } else {
      std::string matrix_rxfilename = po.GetArg(1);
      Matrix<BaseFloat> mat;
      ReadKaldiObject(matrix_rxfilename, &mat);
      std::cout << mat.NumRows() << '\t' << mat.NumCols() << '\n';
      return 0;
    }
  } catch(const std::exception &e) {
    std::cerr << e.what();
    return -1;
  }
}