old_contents: # Script to compare Snack formant methods on Windows
  # There is a known discrepancy between Snack formants calculated using
  # the full Snack Tcl library ('tcl' method) and the Windows standalone
  # executable ('exe' method)
  
  import sys
  import os
  import glob
  import numpy as np
  import matplotlib.pyplot as plt
  
  from opensauce.snack import snack_raw_formants, sformant_names
  
  
  wav_dir = 'test/data/sound-files'
  # Find all .wav files in test/data directory
  wav_files = glob.glob(os.path.join(wav_dir, '*.wav'))
  
  for wav_file in wav_files:
      print('Processing wav file {}'.format(wav_file))
      # Generate raw Snack formant samples
      # Use VoiceSauce default parameter values
      estimates_raw_tcl = snack_raw_formants(wav_file, 'tcl', frame_shift=1, window_size=25, pre_emphasis=0.96, lpc_order=12, tcl_shell_cmd = 'tclsh')
      estimates_raw_exe = snack_raw_formants(wav_file, 'exe', frame_shift=1, window_size=25, pre_emphasis=0.96, lpc_order=12)
  
      fig = plt.figure(figsize=(8,8))
      fig.suptitle('Snack formants - ' + os.path.basename(wav_file))
      for i, n in enumerate(sformant_names):
          ax = plt.subplot(4,2,i+1)
          ax.plot(estimates_raw_exe[n], 'r.', estimates_raw_tcl[n], 'bo', markersize=1)
          #ax.plot(estimates_raw_tcl[n], 'bo', estimates_raw_exe[n], 'r.', markersize=1)
          ax.set_xticklabels([])
          plt.title(n)
          plt.savefig(os.path.splitext(os.path.basename(wav_file))[0] + '.pdf')
          plt.savefig(os.path.splitext(os.path.basename(wav_file))[0] + '.png')
  
new_contents: # Script to compare Snack formant methods on Windows
  # There is a known discrepancy between Snack formants calculated using
  # the full Snack Tcl library ('tcl' method) and the Windows standalone
  # executable ('exe' method)
  
  # Licensed under Apache v2 (see LICENSE)
  
  import sys
  import os
  import glob
  import numpy as np
  import matplotlib.pyplot as plt
  
  from opensauce.snack import snack_raw_formants, sformant_names
  
  
  wav_dir = 'test/data/sound-files'
  # Find all .wav files in test/data directory
  wav_files = glob.glob(os.path.join(wav_dir, '*.wav'))
  
  for wav_file in wav_files:
      print('Processing wav file {}'.format(wav_file))
      # Generate raw Snack formant samples
      # Use VoiceSauce default parameter values
      estimates_raw_tcl = snack_raw_formants(wav_file, 'tcl', frame_shift=1, window_size=25, pre_emphasis=0.96, lpc_order=12, tcl_shell_cmd = 'tclsh')
      estimates_raw_exe = snack_raw_formants(wav_file, 'exe', frame_shift=1, window_size=25, pre_emphasis=0.96, lpc_order=12)
  
      fig = plt.figure(figsize=(8,8))
      fig.suptitle('Snack formants - ' + os.path.basename(wav_file))
      for i, n in enumerate(sformant_names):
          ax = plt.subplot(4,2,i+1)
          ax.plot(estimates_raw_exe[n], 'r.', estimates_raw_tcl[n], 'bo', markersize=1)
          #ax.plot(estimates_raw_tcl[n], 'bo', estimates_raw_exe[n], 'r.', markersize=1)
          ax.set_xticklabels([])
          plt.title(n)
          plt.savefig(os.path.splitext(os.path.basename(wav_file))[0] + '.pdf')
          plt.savefig(os.path.splitext(os.path.basename(wav_file))[0] + '.png')
  
subject: Add license info to compare_snack_formants.py