#!/bin/bash
  
  set -e
  
  if [ $# -ne 1 ]; then
      echo "The scripts checks whether requested rnnlm binary exists in tools/<rnnlm_ver>/rnnlm"
      echo
      echo "Usage: $0 <rnnlm_ver>"
      exit 1
  fi
  
  rnnlm_ver=$1
  rnnlm_path="$(readlink -f "$(dirname "$0")/../")/$rnnlm_ver/rnnlm"
  scriptname="$(basename "$0")"
  
  if [ -f "$rnnlm_path" ]; then
      echo "$scriptname: Found binary $rnnlm_path"
  else
      if [ $rnnlm_ver == "faster-rnnlm" ]; then
          echo "$scriptname: ERROR Faster RNNLM is not installed. Use extras/install_faster_rnnlm.sh to install it"
      elif [ $rnnlm_ver == "rnnlm-0.??" ]; then
          echo "$scriptname: ERROR Class based RNNLM is not installed. Use extras/install_mikolov_rnnlm.sh to install it"
      else
          echo "$scriptname: ERROR Cannot find $rnnlm_path. Neither know how to install it"
      fi
      exit 1
  fi