text: #!/usr/bin/env python
  #_*_coding:utf-8_*_
  
  import sys, os
  pPath = os.path.split(os.path.realpath(__file__))[0]
  sys.path.append(pPath)
  import checkFasta
  
  def BINARY(fastas):
  	if checkFasta.checkFasta(fastas) == False:
  		print('Error: for "BINARY" encoding, the input fasta sequences should be with equal length. \n\n')
  		return 0
  
  	AA = 'ARNDCQEGHILKMFPSTWYV'
  	encodings = []
  	header = ['#']
  	for i in range(1, len(fastas[0][1]) * 20 + 1):
  		header.append('BINARY.F'+str(i))
  	encodings.append(header)
  
  	for i in fastas:
  		name, sequence = i[0], i[1]
  		code = [name]
  		for aa in sequence:
  			if aa == '-':
  				code = code + [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
  				continue
  			for aa1 in AA:
  				tag = 1 if aa == aa1 else 0
  				code.append(tag)
  		encodings.append(code)
  	return encodings
  