Jackson Reid
Golfing language, or code golf, is a type of recreational computer programming competition where participants compete to write the shortest possible source code to solve a particular problem. The name is derived from the similarity of its goal to the game of golf, where players aim for the lowest score, or in the case of code golf, the fewest number of characters in their program. Several languages have been created with code golfing in mind, such as GolfScript, Flogscript, Stuck, and Vyxal, which are Turing-complete languages that allow for concise expression of ideas. Code golf competitions may also be named after the programming language used, such as Perl golf.
| Characteristics | Values |
|---|---|
| Type | Recreational computer programming competition |
| Goal | Achieve the shortest possible source code that solves a problem |
| Naming | Named with the programming language used e.g. Perl golf |
| Origin | Derived from golf, where participants seek the lowest score |
| Similarity to golf | Reducing characters is like reducing club strokes |
| Study | Related to the mathematical study of Kolmogorov complexity |
| Language creation | Dedicated golfing languages have been created e.g. GolfScript, Flogscript |
| Language design | Languages compete for brevity, sacrificing readability |
| Language practicality | Languages are often esoteric, but some are designed for practical purposes |
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What You'll Learn
Code golf is a recreational programming competition
While traditional golfers aim to minimise their number of club strokes, code golfers strive to reduce the number of keystrokes needed to write a program. This competition is not limited to one programming language; challenges and tournaments may be named after the language used, such as "Perl golf".
The length of the shortest program that produces a given output is known as the Kolmogorov complexity of the output, a concept that was mathematically studied by Andrey Kolmogorov in the 1960s. The challenging nature of optimising for program size has long been recognised, with a 1962 coding manual noting that "it is a time-consuming sport to code with the least possible number of instructions".
Today, several new languages have been created specifically with code golfing in mind, known as golfing languages. These include GolfScript, Flogscript, Stuck, Vyxal, and 05AB1E, which are Turing-complete languages that provide constructs for concisely expressing ideas in code.
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The aim is to write the shortest possible source code
Golfing language is a type of recreational computer programming competition where the goal is to write the shortest possible source code to solve a particular problem. This practice is called "code golf", derived from the similarity of its objective with that of the traditional golf game, where players aim for the lowest score (least number of strokes) rather than the highest. Likewise, code golfers aim to reduce the number of characters or keystrokes to write a program.
The concept of code golf is not new, with a 1962 coding manual noting the challenge of coding with the fewest possible instructions. However, the term "code golf" was first used in 1999 with Perl, later gaining popularity through its use in RSA encryption. Over time, the term has expanded to encompass various languages, and dedicated golfing languages have emerged, such as GolfScript, Flogscript, Stuck, and Vyxal. These languages are designed to facilitate concise expression of ideas in code.
The design of golfing languages prioritises brevity, often at the expense of readability. This trade-off makes them less suitable for practical production environments, but they find a niche in code golf competitions and challenges. For instance, a GolfScript code to print 1000 digits of pi would look like:
"3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679"\
"8214808651328230664709384460955058223172535940812848111745028410270193852110555964462294895493038196442881097566593344612847564823378678316527125270693"
While golfing languages may sacrifice readability, they showcase the ingenuity of programmers in expressing complex ideas with remarkable conciseness. The length of the shortest program that produces a given output is known as the Kolmogorov complexity of the output, a concept with roots in the work of Andrey Kolmogorov in 196.
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The term is derived from conventional golf
The term "code golf" is derived from the similarity of its goal with that of conventional golf. In conventional golf, participants seek to achieve the lowest possible score, typically the lowest number of club strokes needed to complete the course. Similarly, in code golf, participants aim to achieve the shortest possible source code to solve a particular problem. This involves reducing the number of characters or keystrokes required to write a program.
The concept of code golf is not new, with similar competitions known to have been popular with earlier APL hackers. However, the term "code golf" was first used in 1999 with Perl and later gained popularity through its use in RSA encryption. Today, code golf covers a wide range of programming languages, and several new languages have been specifically created for code golfing, such as GolfScript, Flogscript, Stuck, and Vyxal. These languages are designed to allow for concise expression of ideas in code.
The creation of dedicated golfing languages, such as 05AB1E, has further extended the scope of code golf. 05AB1E, for instance, is a stack-based golfing language that uses a stack memory model, where all operations are performed using a stack. This allows for efficient multiplication of numbers by consuming two elements from the stack and producing a single result.
The challenging nature of optimizing code for size has long been recognized, and code golf competitions provide an outlet for this pursuit. While conventional golf players aim for the lowest score, code golfers strive for the most compact and efficient code, sacrificing readability for brevity. This trade-off between code length and readability is an inherent characteristic of golfing languages.
In summary, the term "code golf" draws an analogy between the goal of achieving a low score in conventional golf and the goal of minimizing the number of characters in a programming language to solve a problem. This unique programming challenge has led to the development of specialized golfing languages and continues to attract participants seeking to master the art of concise coding.
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Dedicated golfing languages exist
Code golf is a recreational computer programming competition in which participants compete to create the shortest possible source code to solve a particular problem. The name is derived from the similarity of its goal to that of the game of golf, where players seek to achieve the lowest possible score.
Dedicated golfing languages do exist, and several new languages have been created specifically with code golfing in mind. These languages compete for extreme brevity, and their design sacrifices readability. An example of a golfing language is 05AB1E, a stack-based golfing language written in Elixir using the Mix build tool. It specializes in code golf and has an advantage in base conversion. GolfScript, Flogscript, Stuck, and Vyxal are other examples of golfing languages that are Turing-complete languages, providing constructs for concisely expressing ideas in code.
Golfing languages are often esoteric due to their focus on extreme brevity, making them less suitable for practical production environments. However, some languages designed for practical purposes have also found use in code golf. Code golf websites feature novel golfing languages created by users to win challenges. These websites include popular golfing languages such as Husk, Pyth, CJam, and Jelly.
The creation of dedicated golfing languages highlights the challenging and competitive nature of optimizing program size. While the term "code golf" was first used in 1999 with Perl, similar informal competitions were popular earlier with APL hackers. Today, code golf covers a wide range of languages, and participants strive to reduce the number of characters or keystrokes needed to write a program.
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Golfing languages sacrifice readability
Code golf is a type of recreational computer programming competition where participants compete to write the shortest possible source code to solve a particular problem. The term "code golf" is derived from the similarity of its goal with that of the sport of golf, where participants seek to achieve the lowest possible score. In code golf, the goal is to reduce the number of characters or keystrokes needed to write a program.
Golfing languages are programming languages designed specifically for code golf, and they often sacrifice readability in favor of brevity. These languages may have unusual syntax or use non-standard abbreviations to achieve extreme conciseness. For example, the golfing language 05AB1E, which is a stack-based language, can be pronounced in multiple ways, such as 'osabie', 'osable', or 'usable'. The trade-off for this flexibility is that the language becomes more challenging to read and understand, especially for those unfamiliar with it.
The focus on extreme brevity in golfing languages can lead to code that is dense and cryptic. While the goal of code golf is to solve a problem with the fewest bytes possible, this often comes at the cost of code readability. Longer and more descriptive variable and function names are often replaced with single letters or abbreviated forms, making it harder for someone unfamiliar with the code to understand its purpose or logic.
Additionally, golfing languages may utilize unconventional syntax or unique language features that further reduce code length. For instance, a language may employ a stack memory model, where operations are performed using a stack data structure. While this can lead to very concise code, it also adds complexity and makes it more challenging for programmers accustomed to traditional languages to decipher.
Despite sacrificing readability, golfing languages can be fun and stimulating for programmers. They encourage creative problem-solving and a deep understanding of the language's nuances. Golfing languages also showcase the ingenuity of their creators, who have crafted specialized languages that enable concise expressions of ideas. While not suitable for all programming contexts, golfing languages have their own dedicated community and continue to evolve and diversify.
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Frequently asked questions
A golfing language is a language that specializes in code golf. Code golf is a type of recreational computer programming competition where participants strive to achieve the shortest possible source code that solves a certain problem.
Code golf is a competition where participants try to write the shortest possible program to solve a given problem. The term comes from the similarity of its goal with that of conventional golf, where participants seek to achieve the lowest possible score.
To win a code golf competition, participants must solve the given problem using the fewest bytes or characters possible. The length of the shortest possible program that produces a given output is known as the Kolmogorov complexity of the output.
Examples of golfing languages include 05AB1E, GolfScript, Flogscript, Stuck, and Vyxal. These are Turing-complete languages that provide constructs for concisely expressing ideas in code.
