On 22 Jan 2013, at 19:28, Ferrous Cranus <nikos.gr...@gmail.com> wrote:
> Τη Τρίτη, 22 Ιανουαρίου 2013 9:02:48 μ.μ. UTC+2, ο χρήστης Michael Torrie > έγραψε: >> On 01/22/2013 11:37 AM, Ferrous Cranus wrote: >> >>> ============================================== pin = int( >> >>> htmlpage.encode("hex"), 16 ) % 10000 >> >>> ============================================== >> >>> >> >>> Can you please explain the differences to what you have posted >> >>> opposed to this perl coding? >> >>> >> >>> ============================================== foreach my >> >>> $ltr(@ltrs){ $hash = ( $hash + ord($ltr)) %10000; >> >>> ============================================== >> >>> >> >>> I want to understand this and see it implemented in Python. >> >> >> >> It isn't quite the thing. The perl code is merely a checksum of the >> >> ascii value of the characters in the file name, that is then chopped >> >> down to a number < 10000. The Python code is taking the ascii value of >> >> each character in the file name, converting it to a hexadecimal pair of >> >> digits, stringing them all out into a long string, then converting that >> >> to a number using the hexadecimal number parser. This results in a >> >> *very* large number, 8-bits per letter in the original file name, and >> >> then chops that down to 10000. Technically neither method is a hash and >> >> neither will generate unique numbers. >> >> >> >> Here's the python algorithm used on a short word: >> >> 'hello' => '68656c6c6f' (h = 0x68', e=0x65', 0x6c', 0=0x6f) >> >> => 0x68656c6c6f => 448378203247 >> >> mod that with 10000 and you get 3247 >> >> >> >> If you would simply run the python interpreter and try these things out >> >> you could see how and why they work or not work. What is stopping you >> >> from doing this? > > > May i sent you my code by mail so for you see whats wrong and > http://superhost.gr produces error?<br><br> > > 1. this is not a script that iam being paid for. > 2, this is not a class assignemnt > > I just want to use that method of gettign this to work. > -- > http://mail.python.org/mailman/listinfo/python-list All pages, strings and objects map to: http://redwing.hutman.net/~mreed/warriorshtm/ferouscranus.htm Alan -- http://mail.python.org/mailman/listinfo/python-list