Awesome

Katas

Here are 27 solved katas; each in a different language.

Sources: CodingDojo, Ruby Quiz, and CodeKata.

KataBankOCR

Language: Ruby
Solution: KataBankOCR.rb
Tests: KataBankOCR_test.rb

KataFizzBuzz

Language: Java
Solution: KataFizzBuzz.java
Tests: KataFizzBuzzTest.java; see junit.sh.

KataPotter

Language: Python
Solution: KataPotter.py
Tests: KataPotter_test.py
Remark: It needs more tests to know if it's really solved

KataRomanNumerals

Language: Bash
Solution: KataRomanNumerals.sh
Tests: KataRomanNumerals_test.sh; see also assert.sh.

KataRomanCalculator

Language: JavaScript
Solution: KataRomanCalculator.js
Tests: KataRomanCalculator_tests.js

KataNumberToLCD

Language: PHP
Solution: KataNumberToLCD.php
Tests: KataNumberToLCD_tests.php

KataTennis

Language: C
Solution: KataTennis.c
Tests: KataTennis_tests.c

KataBowling

Language: Scala
Solution: KataBowling.scala
Tests: KataBowlingTest.scala using ScalaTest 1.7.1; see KataBowling_tests.sh for command-line shortcuts.

KataPokerHands

Language: CoffeeScript
Solution: KataPokerHands.coffee
Tests: KataPokerHands_tests.coffee using jasmine-node

KataMinesweeper

Language: Io
Solution: KataMinesweeper.io
Tests: KataMinesweeper_tests.io

KataKarateChop

Language: Lisp
Solution: KataKarateChop.lisp
Tests: KataKarateChop_tests.lisp

KataReversi

Language: Perl
Solution: KataReversi.pl
Tests: KataReversi_tests.pl

KataGameOfLife

Language: Groovy
Solution: KataGameOfLife.groovy
Tests: KataGameOfLife_tests.groovy; see also junit_gameoflife.sh.

KataSecretSantas

Language: Smalltalk
Solution: KataSecretSantas.st
Tests: KataSecretSantas_tests.st; see also gst_tests.sh.

KataWordWrap

Language: C++
Solution: KataWordWrap.cpp
Tests: KataWordWrap_tests.cpp using CppUnit

KataDiversion

Language: Forth
Solution: KataDiversion.fth
Tests: KataDiversion_tests.fth

KataAnimalQuiz

Language: Lua
Solution: KataAnimalQuiz.lua
Tests: KataAnimalQuiz_tests.lua using lunit

KataWordQuery

This is a slightly modified version of the RubyQuiz #54 that doesn't use a bits index.

Language: OCaml
Solution: kataWordQuery.ml
Tests: kataWordQueryTests.ml using OUnit; see also kataWordQueryTests.sh.

KataCheckout

Language: Erlang
Solution: katacheckout.erl
Tests: katacheckout_tests.erl using EUnit; see also katacheckout_tests.sh.

KataDependencies

Language: Go
Solution: katadependencies.go
Tests: katadependencies_test.go

KataTrigrams

Language: Clojure
Solution: src/kata_trigrams/core.clj; use lein run generate f1.txt f2.json to index f1.txt into f2.json, then lein run generate f2.json 42 to generate 42 random words from the file f2.json
Tests: test/kata_trigrams/test/*.clj; use lein test.

KataEnglishWords

Language: Rust (0.9)
Solution: kata_english_words.rs
Tests: kata_english_words_tests.rs; compile and run with make.

KataWordChains

Language: Crystal (0.4.3)
Solution: kata_word_chains.cr
Tests: kata_word_chains_test.cr

KataSortChars

Language: Commodore BASIC
Solution: kata_sort_chars.bas and a homemade crunched version, kata_sort_chars.crunch.bas
Tests: kata_sort_chars_tests.sh

KataChange

Language: Prolog
Solution: kata_change.pl and kata_change_cli.pl. Use make then ./kata_change <sum>.
Tests: kata_change_tests.pl

KataCodeCracker

Language: awk
Solution: ./code_cracker.awk -v key=<key>. It reads (and prints) one message per line.
Tests: ./code_cracker_tests.sh

KataID3

Language: Julia
Solution: ./parse_id3.jl <file1.mp3> [...]
Tests: ./parse_id3_test.jl