Esoteric Programming Languages

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Esoteric Programming Languages

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Happy New Year Folks! 

 

It’s been a while since I have blogged and have a lot of catching up to do.  Look for for updates, new tips, and much more over the next year.  To get the ball rolling I wanted to start with something lighter.  I was watching episode 10 of Elementary [http://en.wikipedia.org/wiki/Elementary_(TV_series)] and they mentioned a language called Malbolge.  I’ve been coding for a long time but never heard of this language so decided to do some research.  Apparently there is a major group of programming language I haven’t been exposed to:  Esoteric Languages.  I thought I would show some of these to folks who may have never seen them.

 

Esoteric Languages Defined

So what IS an esoteric language?  Here is how Wikipedia defines them:

“An esoteric programming language (sometimes shortened to esolang) is a programming language designed to test the boundaries of computer programming language design, as a proof of concept, or as a joke. The use of esoteric distinguishes these languages from programming languages that working developers use to write software. Usually, an esolang's creators do not intend the language to be used for mainstream programming, although some esoteric features, such as visuospatial syntax, have inspired practical applications in the arts. Such languages are often popular among hackers and hobbyists.

 

Usability is rarely a goal for esoteric programming language designers—often it is quite the opposite. Their usual aim is to remove or replace conventional language features while still maintaining a language that is Turing-complete, or even one for which the computational class is unknown.”

http://en.wikipedia.org/wiki/Esoteric_programming_language

 

More Information

There is a thriving community of esolang people out there.  The best place to start if you are interested in digging deeper would probably be the Esolang Wiki found here:

http://esolangs.org/wiki/Main_Page

 

The language list at the Esolang Wiki is as complete as I have seen anywhere in my research:  http://esolangs.org/wiki/Language_list

 

Interestingly, they separate general esoteric languages from joke esoteric languages with the distinction that joke languages “are not of any interest except for potential humor value. Generally speaking, they are completely unusable for programming even in theory, trivial and less interesting variations on existing esoteric languages, or too underspecified to determine any potential usability.” [http://esolangs.org/wiki/Joke_language_list]

 

 

Languages

Let’s take a look as some of the more interesting languages in the large list of esolangs.

 

Malbolge

http://esolangs.org/wiki/Malbolge

Malbolge, was invented by Ben Olmstead in 1998, is an esoteric programming language designed to be as difficult to program in as possible. Seriously, that was the goal.  It is modeled as a virtual machine based on ternary digits.

 

Below is the code for printing “Hello World!” (without the quotes of course) in Malbolge:

('&%:9]!~}|z2Vxwv-,POqponl$Hjig%eB@@>}=<M:9wv6WsU2T|nm-,jcL(I&%$#" `CB]V?TxuVtT`Rpo3NlF.Jh++FdbCBA@?]!~|4XzyTT43Qsqq(Lnmkj"Fhg${z@

http://en.wikipedia.org/wiki/Malbolge_programming_language#.22Hello_world.22_in_Malbolge

 

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Whitespace

http://esolangs.org/wiki/Whitespace

 

Created in 2003 by Edwin Brady and Chris Morris,  Whitespace is an esoteric programming language that uses only whitespace as syntax. Everything other than spaces, tabs, or linefeeds is ignored. Below if a form of Hello World with highlighting of whitespace turned on for clarity.

 

File:Whitespace in vim2.png

http://esolangs.org/wiki/File:Whitespace_in_vim2.png

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Velato

http://esolangs.org/wiki/Velato

 

Velato is a language which uses MIDI files as source code. Programs in Velato are defined by the pitch and order of notes. It is intended to allow for flexibility in composition, so functional programs will not necessarily sound like random notes. There is a tendency for Velato programs to have jazz-like harmonies.

 

Here is an example of Hello World in Velatio in sheet music format:

Velato HelloWorld.gif

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LOLCODE

http://esolangs.org/wiki/LOLCODE

 

One of my favorites.  LOLCODE is an esoteric programming language inspired by the language expressed in examples of the lolcat Internet meme. The language was created in 2007 by Adam Lindsay, researcher at the Computing Department of Lancaster University.

http://en.wikipedia.org/wiki/LOLCODE

 

Here is an example of Hello World in LOLCODE http://esolangs.org/wiki/Hello_world_program_in_esoteric_languages#LOLCODE:

HAI

CAN HAS STDIO?

VISIBLE "HAI WORLD!"

KTHXBYE

 

Interestingly there was a .NET complier for LOLCODE made back in 2007 that can still be found here: http://code.google.com/p/lolcode-dot-net/

 

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DNA#

http://esolangs.org/wiki/DNA-Sharp

DNA# is an esoteric programming language which is based on the schematic structure of the DNA molecule and was invented 2009 by User: Benni++ at the Esolang Wiki.

 

Check out this snippet from the Hello World example of DNA# (NOTE: the original was pretty long so I just opted for a shortened version):

image

http://esolangs.org/wiki/Hello_world_program_in_esoteric_languages#DNA.23

 

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Piet

http://esolangs.org/wiki/Piet

 

Piet is an esoteric programming language in which programs look like abstract paintings. It uses 20 colors, of which 18 are related cyclically through a lightness cycle and a hue cycle. A single stack is used for data storage, together with some unusual operations. Piet was invented by David Morgan-Mar and is named after geometric abstract art pioneer Piet Mondrian.

 

Hello World in Piet is pretty cool, check this out:

File:Piet Hello World.gif

 

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Finally

Well, I hope you enjoyed these esoteric languages as much as I did.  There is some seriously messed up stuff here and we have only scratched the surface.  As an honorable mention you should probably look at brainf**k which not only has a cool name but is one of the more famous esolangs around:  http://bit.ly/2cxjWL

 

Look for some “catch up” articles to follow this one and then a new series or two to come after that.  Keep me honest (as some of you already have) and ping me when I don’t get an article out on the usual Tues/Thurs schedule. Smile

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