Python/Perl/Bash Python Script Convert list of hostnames to IP addresses

[Rayze]

This script will take a file of hostnames and convert each one to its corresponding IP address

import sys, getopt, socket, inspect,os
def main(argv):
   InputFile = ''
   OutputFile = ''
   try:
      opts, args = getopt.getopt(argv,"i:o:",["InputFile=","OutputFile="])
   except getopt.GetoptError:
      print ('test.py -i <InputFile> -o <OutputFile>')
      sys.exit(2)
   for opt, arg in opts:
      if opt == '-h':
         print ('test.py -i <InputFile> -o <OutputFile>')
         sys.exit()
      elif opt in ("-i", "--ifile"):
         InputFile = arg
      elif opt in ("-o", "--ofile"):
         OutputFile = arg
         Path = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))  
         reader=open(Path + InputFile,"r")
         out=open(Path + OutputFile,"w")
         for host in reader.read().split('\n'):
           try:
             ip=socket.gethostbyname(host)
           except:
            ip="N/A"
         out.write(ip)
         out.write("\n")
         out.close()
         reader.close()
if __name__ == "__main__":
   main(sys.argv[1:])