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Programs Every Programmer Has Written

This is a list of programs every programmer has written from scratch at one point. By “every” we don’t mean everyone, just that it’s a general trend for enthusiastic computer workers to write one or more of these at a point:

  1. Hello, world ;-)
  2. An Interpreter for Scheme (= a relatively minimalistic dialect of Lisp)
  3. A templating system or HTML preprocessor
  4. A database abstraction layer, or Object-Relational Mapper (ORM)
  5. An IRC bot
  6. An interpreter for his own language (possibly embedded in text)
  7. An ad-hoc Content Management System (CMS).
  8. A program to calculate the digits of Pi.
  9. A prime numbers-related program (prime factoring, prime generation, etc.)
  10. A “build system” (normally just a makefile generator).
  11. A program to render the Mandelbrot set.
  12. A simulator for Conway’s Game-of-Life.
  13. A Towers of Hanoi program.

Licence and Credits

This article originated from the Perl.net.au wiki. It was mostly written by Shlomi Fish with some help from Stennie.

The licence is the Creative Commons Attribution Share Alike Australia Licence dually licensed with the Artistic Licence.

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