def write_fasta(filename, info, data):
    """Write FASTA information to the specified file."""
    outfile = open(filename, 'w')
    outfile.write('> ')
    outfile.write(info.replace('\n', '')) # Drop CRs to be safe.
    outfile.write('\n')
    data = data.replace('\n', '')  # Drop CRs to be safe.
    while (data != ''):
        outfile.write(data[:70])
	outfile.write('\n')
	data = data[70:]
    outfile.close()