text: import json
  import sys
  
  if __name__ == '__main__':
      args = sys.argv
      if len(args) < 2:
          print('Usage: ' + args[0] + ' [json-field-name] [field-value]')
          exit(1)
  
      field = args[1]
      field_val = args[2]
      line_count = 1
      for line in sys.stdin:
          try:
              obj = json.loads(line)
              if field in obj:
                  if obj[field]["string"] == field_val:
                      print(line)
          except Exception as e:
              print('Line ' + str(line_count) + ' Got exception from parsing JSON\n' + line )
              exit(1)
          line_count = line_count + 1
  