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Langton's Obfuscation

by golux (Chaplain)
on Oct 29, 2017 at 05:22 UTC ( #1202259=obfuscated: print w/replies, xml ) Need Help??

After watching this very interesting video, I decided it just had to be made into an obfuscation. After completion I realized it had been more than a year since I had composed one -- time flies. As usual, more information can be found at Wikipedia.

You'll need to have perl/Tk installed to run it. Invoke it with perl <program> (or in Windows give it a .pl extension). I won't give away too much, except to say that the shape of the code hints at the ultimate outcome.

When first run, type the <space> key to start progress. You can then type <space> again to pause or restart. The number of "cycles" (or "generations") displays in the invoking window after each subsequent pause.

Two parameters may be given; both are optional.

The first is an integer that says how many "cycles" to run before changing colors. It defaults to a value which is more obvious when you run the code. Try for example a value of '350'.

The second is the delay in milliseconds between successive "cycles"; use a larger value to slow down execution. The default is '1' (fastest possible).

s""v tf!Ul <)%c- %e-%y -%z- %l-% d*>) 1-3-4 1-34- 1-(g1 1(*<% p>tij gu}}2 1111 <%E>t ijgu }}2< %N>Nb joXjo epx.? ofx)* <%N.? ujumf )rr| #Mbo hupo (t!B ou#~* <%w>% N.?Db owbt) .xj>? 911-. if>? 623* .?qb dl<n bq|% w.?d sfbuf Mjof) 9+%`- 1-9+% `-623 *<%w. ?dsfb ufMjo f)1-9 +%`-9 11-9+ %`*~) 2//: :*<' `''% N.?c joe) #=tq bdf? #>?t vc|,, %c&3} }qsjo u#Dpv ou;%l ]o#~* <tvc! s|sbo e)27* ~tvc! `|%w. ?efmf uf)% t*<% t>%w .?ds fbuf Sfdu bohm f)d) (111( **~tv c!d|) 9+%y. 5-9+) 75.%z *.5-9 +%y,5 -9+)7 5.%z* ,5-.g j>?di s)46 */%` [1^* ~%N. ?sfq fbu) %E>? tvc|j g)%c& 3''%l ,,=23 81:*| %j>21 1+%z, %y<%g >%g[% j^<% f>%g @.2; 2<%w .?ef mfuf )%g*< %g[%j ^>%g@ (1(;% w.?ds fbuf Pwbm) d)%d* *<%e& 3boe %z,> %e=3 @.%f ;%f< %e&3 ps%y, >%e@. %f;%f <%e>) %e,%f *&5<' `<%l& %p!ps %d>tq sjou g(&y &y&y (-'s -'s-' s~~*< %N.?N bjoMp pq";s,\s,,g;s;([^[]);chr(ord($1)-1);ge,eval
say  substr+lc crypt(qw $i3 SI$),4,5

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