hex_dump.py

#Hex Dump Program
import argparse

def Main():
    parser = argparse.ArgumentParser()
    parser.add_argument("file", help="Specify File")
    parser.add_argument("-o", "--output", help="Print output to terminal"\
                        , action="store_true")
    args = parser.parse_args()

    if args.file:
        offset = 0
        with open(args.file, 'rb') as infile:
            with open(args.file+".dump", 'w') as outfile:
                while True:
                    chunk = infile.read(16)
                    if len(chunk) == 0:
                        break
                    
                    text = str(chunk)
                    text = ''.join([i if ord(i) < 128 and ord(i) > 32 else '.' for i in text])
                    
                    output = "{:#08x}".format(offset) + ": "
                    output += " ".join("{:02X}".format(ord(c)) for c in chunk[:8])
                    output += " | "
                    output += " ".join("{:02X}".format(ord(c)) for c in chunk[8:])
                    if len(chunk) % 16 != 0:
                        output += "   "*(16 - len(chunk)) + text
                    else:
                        output += " " + text
                    if args.output:
                        print (output)
                    outfile.write(output + '\n')

                    offset += 16
                
    else:
        print (parser.usage)

if __name__ == '__main__':
    Main()