#!/bin/bash
  
  # Copyright 2017  Johns Hopkins University (author: Hossein Hadian)
  # Apache 2.0
  
  # This script copies the necessary parts of an online ivector directory
  # optionally applying a mapping to the ivector_online.scp file
  
  utt2orig=
  
  . utils/parse_options.sh
  
  if [ $# != 2 ]; then
    echo "Usage: "
    echo "  $0 [options] <srcdir> <destdir>"
    echo "e.g.:"
    echo " $0 exp/nnet3/online_ivector_train exp/nnet3/online_ivector_train_fs"
    echo "Options"
    echo "   --utt2orig=<file>     # utterance id mapping to use"
    exit 1;
  fi
  
  
  srcdir=$1
  destdir=$2
  
  if [ ! -f $srcdir/ivector_period ]; then
    echo "$0: no such file $srcdir/ivector_period"
    exit 1;
  fi
  
  if [ "$destdir" == "$srcdir" ]; then
    echo "$0: this script requires <srcdir> and <destdir> to be different."
    exit 1
  fi
  
  set -e;
  
  mkdir -p $destdir
  cp -r $srcdir/{conf,ivector_period} $destdir
  if [ -z $utt2orig ]; then
    cp $srcdir/ivector_online.scp $destdir
  else
    utils/apply_map.pl -f 2 $srcdir/ivector_online.scp < $utt2orig > $destdir/ivector_online.scp
  fi
  cp $srcdir/final.ie.id $destdir
  
  echo "$0: Copied necessary parts of online ivector directory $srcdir to $destdir"