Can you write a program that prints itself?

Can you write a program that prints itself?

A quine is a computer program which takes no input and produces a copy of its own source code as its only output. The standard terms for these programs in the computability theory and computer science literature are “self-replicating programs”, “self-reproducing programs”, and “self-copying programs”.

Is it possible to write C program which it print self?

A quine is a program which prints a copy of its own as the only output. A quine takes no input. The interesting thing is you are not allowed to use open and then print file of the program. To the best of our knowledge, below is the shortest quine in C.

How does a quine work?

A quine is a program which prints its own listing. This means that when the program is run, it must print out precisely those instructions which the programmer wrote as part of the program (including, of course, the instructions that do the printing, and the data used in the printing).

Can you run a program without main function?

directive #define with arguments to give an impression that the program runs without main. But in reality it runs with a hidden main function. So actually C program can never run without a main() . We are just disguising the main() with the preprocessor, but actually there exists a hidden main function in the program.

What does quine mean in Scottish?

Quine, or quene, is used nowadays as a word for girl or young woman. The earliest written record of the word is from 1617, according to the Dictionary of the Scottish Tongue (DOST), when it was used to describe a servant girl.

What are the steps to print AC program on a printer?

Answer: if you want to print the c program that you have created in IDE, select file>>print .

Which is a self-replicating program?

A Worm is a self-replicating program. It is self-contained and does not require a host program. The program creates the copy and causes it to execute; no user intervention is required. Worms commonly utilize network services to propagate to other computer systems [19].

What is the meaning of quine?

quineverb. To deny the existence or significance of something obviously real or important. Etymology: From the name of the logician Willard van Orman Quine, via Douglas Hofstadter.

How to print the source code of a program?

To print source code of a program itself as output, you can use __FILE__ to get path of current file. Program to print source code of itself as output. /** * C program to print source code of itself as output */ #include #include int main() { FILE *fPtr; char ch; /* * __FILE__ is a macro that contains path of current file.

How does a C program display its own source code?

Though this problem seems complex, the concept behind this program is straightforward; display the content from the same file you are writing the source code. In C programming, there is a predefined macro named __FILE__ that gives the name of the current input file.

How to write your first Quine program in Java?

The most effective and understandable way is to divide the program into 2 parts: The code delegated to print the information (like the print () function in Python, System.out.println () in Java or the global object std::cout in C++). A data structure (such as a string or a list) that can store part of the source code.