#!/usr/bin/env python3
# read exif data
# ./thisscript.py <filename>

import sys
import exifread

filename = "hello.jpg"
# command line file name
if len(sys.argv) > 1:
   filename = sys.argv[1]

#read from the file
inFile = open(filename,"r")
tags = exifread.process_file(inFile)
inFile.close()

#print the tags.
for tag in tags.keys():
   print(tag + "\t" + tags[tag])