config.json

{
  "language": "Rexx",
  "slug": "rexx",
  "active": false,
  "status": {
    "concept_exercises": false,
    "test_runner": false,
    "representer": false,
    "analyzer": false
  },
  "blurb": "Rexx is an easy-to-use, cross-platform, procedural scripting language.",
  "version": 3,
  "online_editor": {
    "indent_style": "space",
    "indent_size": 2,
    "highlightjs_language": "plaintext"
  },
  "files": {
    "solution": [
      "%{kebab_slug}.rexx"
    ],
    "test": [
      "test-%{kebab_slug}",
      "%{kebab_slug}-check.rexx",
      "runt.rexx",
      "t1.rexx",
      "t2.rexx",
      "t3.rexx"
    ],
    "example": [
      ".meta/example.rexx"
    ],
    "exemplar": [
      ".meta/exemplar.rexx"
    ]
  },
  "exercises": {
    "concept": [],
    "practice": [
      {
        "slug": "hello-world",
        "name": "Hello World",
        "uuid": "60ea2343-d3e7-4a25-b7b1-df4f276ff9c8",
        "practices": [],
        "prerequisites": [],
        "difficulty": 1
      },
      {
        "slug": "leap",
        "name": "Leap",
        "uuid": "4f7f26e0-0faa-4bca-aa19-0a95c90c821a",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "difference-of-squares",
        "name": "Difference of Squares",
        "uuid": "3a8e4b95-320e-46fe-bbc4-7fcfd0436735",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "grains",
        "name": "Grains",
        "uuid": "1b8aef59-9773-457c-96ad-9387cc104e4a",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "two-fer",
        "name": "Two Fer",
        "uuid": "d338d47e-cbca-4afd-8974-0c66c879907d",
        "practices": [],
        "prerequisites": [],
        "difficulty": 1
      },
      {
        "slug": "reverse-string",
        "name": "Reverse String",
        "uuid": "9f013594-573e-49d8-b671-b9e38f372afc",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "raindrops",
        "name": "Raindrops",
        "uuid": "6154a853-4694-4873-bf26-3e83aeb13402",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "scrabble-score",
        "name": "Scrabble Score",
        "uuid": "a6a32564-d6a3-474c-9f23-34f2243aeeb1",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "word-count",
        "name": "Word Count",
        "uuid": "d63ca45f-8228-4f14-bdc1-da39af93f679",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "triangle",
        "name": "Triangle",
        "uuid": "8956751d-2f9a-4c19-9f3d-e23e6215adcd",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "bob",
        "name": "Bob",
        "uuid": "3fea154e-5200-4a7f-a1b1-0c92989a51e3",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "secret-handshake",
        "name": "Secret Handshake",
        "uuid": "a9e3a39a-8893-41e9-a8b7-4b9dc8ee0b11",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "acronym",
        "name": "Acronym",
        "uuid": "0f05493d-f6b7-4813-938a-6ceac75dbe1e",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "hamming",
        "name": "Hamming",
        "uuid": "f5803646-31cf-41d4-8790-574a0b703b1a",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "pangram",
        "name": "Pangram",
        "uuid": "200083c3-f1f7-4c4e-9383-821fb6f8104b",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "isogram",
        "name": "Isogram",
        "uuid": "7a7d51ab-dcba-45c4-a1c5-d7995893d061",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "protein-translation",
        "name": "Protein Translation",
        "uuid": "c6fef655-6869-4c43-a27f-6373fa057c26",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "nucleotide-count",
        "name": "Nucleotide Count",
        "uuid": "54ab9450-af94-49dd-bc23-ffe674c475ff",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "clock",
        "name": "Clock",
        "uuid": "bd3b9a22-b435-47a9-ab47-4016bf17ad04",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "bank-account",
        "name": "Bank Account",
        "uuid": "db8c6b8f-319d-4f88-86c3-e878c6045d2f",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "roman-numerals",
        "name": "Roman Numerals",
        "uuid": "5dd0c9d8-0527-41ab-8987-468da738cba4",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "collatz-conjecture",
        "name": "Collatz Conjecture",
        "uuid": "2d566a32-8030-4903-b640-93803ffbffd0",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "darts",
        "name": "Darts",
        "uuid": "2abc6369-2e6b-4b40-b605-285f9a6ba38a",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "etl",
        "name": "ETL",
        "uuid": "f5d852aa-b3af-4e1c-9825-5f3106308016",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "square-root",
        "name": "Square Root",
        "uuid": "7ccb3423-5e2b-4974-99d6-82c113dd05c3",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "space-age",
        "name": "Space Age",
        "uuid": "b754ac06-a2ab-4380-9fec-a21b58bbfc7b",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "gigasecond",
        "name": "Gigasecond",
        "uuid": "8ded44bd-0c74-4d40-9b6b-232641799de4",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "error-handling",
        "name": "Error Handling",
        "uuid": "377c9994-a2a6-491a-8436-013fb9b99135",
        "practices": [],
        "prerequisites": [],
        "difficulty": 1
      },
      {
        "slug": "rna-transcription",
        "name": "RNA Transcription",
        "uuid": "101724fc-82ee-48ad-8ab8-e3449c33f888",
        "practices": [],
        "prerequisites": [],
        "difficulty": 1
      },
      {
        "slug": "prime-factors",
        "name": "Prime Factors",
        "uuid": "92b14cca-cb41-4bb5-98fd-a26a0034968d",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "resistor-color",
        "name": "Resistor Color",
        "uuid": "d86583e0-e713-4d2a-a596-1905acfe9fbb",
        "practices": [],
        "prerequisites": [],
        "difficulty": 1
      },
      {
        "slug": "resistor-color-duo",
        "name": "Resistor Color Duo",
        "uuid": "75d970d2-13ff-4565-96d5-02c0039adb97",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "resistor-color-trio",
        "name": "Resistor Color Trio",
        "uuid": "5ae10bf4-2cae-4aa2-94c5-57ebaeae8c98",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "armstrong-numbers",
        "name": "Armstrong Numbers",
        "uuid": "90d46a8d-9f9b-4c6b-adb2-32fc7033924e",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "perfect-numbers",
        "name": "Perfect Numbers",
        "uuid": "6415f7d8-d7cd-4b60-bc54-205c1054f936",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "nth-prime",
        "name": "Nth Prime",
        "uuid": "6908d69e-f114-414c-86d4-ded302a9937f",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "sieve",
        "name": "Sieve",
        "uuid": "1dd13d65-e069-4569-a4da-a34570909b88",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "rotational-cipher",
        "name": "Rotational Cipher",
        "uuid": "67551623-a38e-429c-9b89-14de4ccbe504",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "atbash-cipher",
        "name": "Atbash Cipher",
        "uuid": "6226fa30-a725-478a-ac55-0e8ad33f1dcb",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "series",
        "name": "Series",
        "uuid": "3c6c16e8-3fb2-4792-a6f7-9e7b8eefe2cf",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "strain",
        "name": "Strain",
        "uuid": "0bf66a9f-fa2b-43bd-94c8-f91550998c05",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "accumulate",
        "name": "Accumulate",
        "uuid": "564cd7e6-578e-42c0-a08c-0c5ab51cdd8c",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "list-ops",
        "name": "List Operations",
        "uuid": "424aa431-a3ba-4d4b-b207-d8f3acd291cb",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5
      },
      {
        "slug": "binary-search",
        "name": "Binary Search",
        "uuid": "4638d461-65d0-46e4-be66-1326d9566bc2",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "custom-set",
        "name": "Custom Set",
        "uuid": "ad73b143-efe1-4ed0-9cd4-468530e0a8fd",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5
      },
      {
        "slug": "beer-song",
        "name": "Beer Song",
        "uuid": "511fc75f-5b1a-422b-9f94-43fd4ef294e2",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "twelve-days",
        "name": "Twelve Days",
        "uuid": "2acc3850-2d9d-4d74-b235-345796510aec",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "proverb",
        "name": "Proverb",
        "uuid": "037ce400-ee41-4d3d-8c13-d8de929c2e24",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "house",
        "name": "House",
        "uuid": "a962d45e-baa8-4e35-871a-1fc6b092c96a",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "high-scores",
        "name": "High Scores",
        "uuid": "cf952e9b-75a2-4d62-8447-9c02503ae959",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "grade-school",
        "name": "Grade School",
        "uuid": "09f3c1a4-8161-471f-b2c6-e0e365651e5c",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "matrix",
        "name": "Matrix",
        "uuid": "03a45b1c-c9d0-40a3-8b0f-19e954c5e4f6",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "transpose",
        "name": "Transpose",
        "uuid": "e3914ac8-9b7a-410c-8e67-8532ac769eb0",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "anagram",
        "name": "Anagram",
        "uuid": "b4061bc8-2b69-42ab-8e15-fc22959afaa2",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "saddle-points",
        "name": "Saddle Points",
        "uuid": "5fb8055b-301d-497d-a2df-0fa92d3a80a8",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5
      },
      {
        "slug": "sum-of-multiples",
        "name": "Sum of Multiples",
        "uuid": "35f7dbc9-939d-4a25-af9d-8f74c1d1bdeb",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "simple-cipher",
        "name": "Simple Cipher",
        "uuid": "cd35fb2c-144b-4c38-98b2-26f4b4984b49",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "sublist",
        "name": "Sublist",
        "uuid": "8f7487d5-a0c1-4d5e-99dc-8dd7c872eb77",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5
      },
      {
        "slug": "matching-brackets",
        "name": "Matching Brackets",
        "uuid": "9b4c28ab-9f8d-4ab5-a666-8610290c1c72",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "phone-number",
        "name": "Phone Number",
        "uuid": "66317e84-b493-450a-b8a2-be0d5fe96e26",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "isbn-verifier",
        "name": "ISBN Verifier",
        "uuid": "b2bb47cd-d17e-494d-87a7-b535188a091c",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "luhn",
        "name": "Luhn Credit Card Number Checker",
        "uuid": "6b972241-40d7-46aa-88a2-495b9714a49d",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "ocr-numbers",
        "name": "OCR Number Verifier",
        "uuid": "f3a598f0-3764-42ff-a742-756169d05c82",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "all-your-base",
        "name": "All Your Base",
        "uuid": "98f0fa77-0696-4997-a694-2930bea397c4",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "queen-attack",
        "name": "Queen Attack",
        "uuid": "c050eb35-2344-4416-b85d-1c5946f118f3",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5
      }
    ]
  },
  "concepts": [],
  "key_features": [
    {
      "title": "General Purpose",
      "content": "Rexx is used for both front and back-end tasks, particularly excelling as a macro language.",
      "icon": "general-purpose"
    },
    {
      "title": "Easy to Learn",
      "content": "Small set of intuitive, English language instructions, making it easy to understand and use.",
      "icon": "easy"
    },
    {
      "title": "Cross-platform",
      "content": "Originally a mainframe language, Rexx has been ported to desktop and embedded platforms.",
      "icon": "cross-platform"
    },
    {
      "title": "Dynamic Language",
      "content": "Rexx is a high-level language well suited for rapid development, and prototyping.",
      "icon": "dynamically-typed"
    },
    {
      "title": "Precise Calculations",
      "content": "Rexx's arbitrary precision arithmetic allows for precise calculations without rounding errors.",
      "icon": "scientific"
    },
    {
      "title": "Mature but Evolving",
      "content": "First conceived in 1979, Rexx continues to be in active development.",
      "icon": "evolving"
    }
  ],
  "tags": [
    "paradigm/imperative",
    "paradigm/procedural",
    "typing/dynamic",
    "typing/weak",
    "execution_mode/interpreted",
    "runtime/language_specific",
    "platform/windows",
    "platform/linux",
    "platform/mac",
    "used_for/backends",
    "used_for/cross_platform_development",
    "used_for/scripts"
  ]
}