Solved the WORLD FAMOUS key obfuscator script

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June 15, 2020 at 04:12:41
Specs: w7 64bit, i3 8G
@echo off & setLocal enableDELAYedeXpansioN
if '%1' equ '' if not exist IN.TXT echo file? && goto :eof

>> IN.TXT echo.ABCDEFGHIJ0123456789KLMNOPQRSTUVWXYZ

:main
for /f "tokens=* delims= " %%a in (IN.txt) do (
set KEY=%%a
set A=!KEY:~0,10!
set S=!KEY:~10,10!
set B=!KEY:~20!
call :sub0
echo.!A!!N!!B!
)
goto :eof

:sub0
set N=
set L=

for %%C in (!S!) do (
:loop
set L=!S:~-1!
set S=!S:~0,-1!
  if "!S!" neq "" (
    set N=!N!!L!
    goto :loop
  ) else (
    set N=!N!!L!
  )
)
goto :eof

=====================

M2


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#1
June 15, 2020 at 09:30:22
✔ Best Answer
erm... pleeze Sir: wot does this script do; wot's it for?

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#2
June 15, 2020 at 23:52:58
It reverses some of the chars

=====================

M2


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#3
June 16, 2020 at 03:11:26
hmmm... Reversing characters... hmmm

In the time of Emperor Ming (see Wikipedia Vol xxx, subset FG/Zhkv) "that" was considered a very dangerous thing to do... as it requires humungous amounts of nitrogen to complete the process. There was a natural shortage of nitrogen on his home planet Mongo. (In fact it was "extremely rare" - much like common sense in many parts of the world today - and considered more valuable than oxygen or gold.) This shortage led Emperor Ming to attack a nearby solar system and specifically planet Earth, which has an abundance of free nitrogen. His efforts to drain, syphon, nitrogen from earth's atmosphere led to severe weather disruption there, and whilst initially successful they were finally defeated; and this ultimately led to the downfall of Ming on his home planet.

The history of this attack, and how it was thwarted, is well documented in a 1930 historical film series, which was considered an essential part of every youngster's continuing education at weekends...

It's also mooted that running the same script resulted in the almost complete consumption all free nitrogen on planet Mars, which left it looking much as it is today...

There is no reported evidence of nitrogen ever having been found on the moon; but that may change once a colony is established there?

There are rumours that a descendant of Emperor Ming - Mung - has been trying it again; and there may be evidence to this effect when one considers the unusual and chaotic weather and climate events on planet earth as of late... Another theory is that Mung is seeking to reverse the north/south poles and alter the angle of tilt on planet earth, in preparation to dragging the planet closer to planet Mongo... But whilst polar shifts/reversal are becoming apparent, there is no evidence of Mung's influences there - yet!

It must be pointed out that post WW2 revisionist film and television versions of the original history began to appear; employing highly colourful assorted CGI and other special effects; and an assortment of odd performers. Similarly written accounts - highly and colourfully illustrated - have been peddled at various time as the true history. But they all fail to accurately recount the true story of Ming's attack and his downfall as per the original historical film records.

Fortunately there are still dedicated students of history who ensure that the true and accurate film records are available to view; often being available on satellite channels, vimeo/youtube etc., and hopefully one day educational networks too.

message edited by trvlr


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#4
June 16, 2020 at 23:12:40
I hadn't been very active here for a couple years because the tone was kinda lame.
Looks like it's time to take another 3 to 5 years off.

=====================

M2


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#5
June 17, 2020 at 04:42:52
Don't stay away or disappear again M2G...

Your input here is invaluable on many an occasion; and muchly appreciated.

trvlr


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#6
June 17, 2020 at 20:34:40
I don't know enough about batch commands to see what that
script does, but my guess is that it reverses the order of some
keypresses, rather than reversing characters. Ming's character
will never be reversed. Once a sociopath, always a sociopath.
But it doesn't require all *that* much nitrogen to reverse some
characters, by terrestrial standards. By Mongo standards, of
course, I agree that it would be considered humongous.

-- Jeff, in Minneapolis


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#7
June 19, 2020 at 04:12:34
It adds this line to IN.TXT so you can 'see what it does':

ABCDEFGHIJ0123456789KLMNOPQRSTUVWXYZ

It reverses chars 11 to 20, so you get:

ABCDEFGHIJ9876543210KLMNOPQRSTUVWXYZ

=====================

M2


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