old_contents: """
  *******************************************************************************    
  *   BTChip Bitcoin Hardware Wallet Python API
  *   (c) 2014 BTChip - 1BTChip7VfTnrPra5jqci7ejnMguuHogTn
  *   
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  *   Unless required by applicable law or agreed to in writing, software
  *   distributed under the License is distributed on an "AS IS" BASIS,
  *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *   limitations under the License.
  ********************************************************************************
  """
  
  from btchip.btchip import *
  import sys
  
  if len(sys.argv) < 2:
  	print "Usage : %s script to run" % sys.argv[0]
  	sys.exit(2)
  
  dongle = getDongle(True)
  
  scriptFile = open(sys.argv[1], "r")
  line = scriptFile.readline()
  while line:	
  	if (len(line) == 0) or (line[0] == '#'):
  		continue
  	cancelResponse = (line[0] == '!')
  	timeout = 10000
  	if cancelResponse:
  		line = line[1:]
  		timeout = 1
  	try:
  		line = line.rstrip()		
  		dongle.exchange(bytearray(line.decode('hex')), timeout)
  	except:
  		if cancelResponse:
  			pass
  		else:
  			raise
  	line = scriptFile.readline()
  scriptFile.close()
  
new_contents: """
  *******************************************************************************    
  *   BTChip Bitcoin Hardware Wallet Python API
  *   (c) 2014 BTChip - 1BTChip7VfTnrPra5jqci7ejnMguuHogTn
  *   
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  *   Unless required by applicable law or agreed to in writing, software
  *   distributed under the License is distributed on an "AS IS" BASIS,
  *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *   limitations under the License.
  ********************************************************************************
  """
  
  from btchip.btchip import *
  import sys
  
  if len(sys.argv) < 2:
  	print "Usage : %s script to run" % sys.argv[0]
  	sys.exit(2)
  
  dongle = getDongle(True)
  
  scriptFile = open(sys.argv[1], "r")
  line = scriptFile.readline()
  while line:	
  	if (len(line) == 0) or (line[0] == '#') or (line.find('[') >= 0) or (line.find(']') >= 0):
  		line = scriptFile.readline()
  		continue
  	line = line.replace('\"', '')
  	line = line.replace(',', '')
  	cancelResponse = (line[0] == '!')
  	timeout = 10000
  	if cancelResponse:
  		line = line[1:]
  		timeout = 1
  	try:
  		line = line.strip()		
  		if len(line) == 0:
  			continue
  		dongle.exchange(bytearray(line.decode('hex')), timeout)
  	except:
  		if cancelResponse:
  			pass
  		else:
  			raise
  	line = scriptFile.readline()
  scriptFile.close()
  
subject: Support JS script format