Wordle shenanigans

Main.kt

import java.io.File

// Data as a map of (letter position | letter) => # of occurrences
private val results: MutableMap<Pair<Int, String>, Int> = mutableMapOf()

fun main() {
    // Read words from resource file
    val words = File("src/main/resources/drawable-words.txt").readLines()

    // Analyze each word
    words.forEach { word ->
        // Split by letter
        word.chunked(1).forEachIndexed { position, letter ->
            // Add to results
            val result = results[position to letter] ?: 0
            results[position to letter] = result + 1
        }
    }

    // Split by letter position
    (0..4).forEach { position ->
        val letterMap = results
            .filter { it.key.first == position } // Filter by letter position
            .map { it.key.second to it.value } // Transform to a map of (letter => # of occurrences)
            .sortedByDescending { it.second } // Sort by occurrences
            .map { it.first to (it.second.toDouble() * 100 / words.size) } // Transform to %
            .filter { it.second >= 5 } // Only keep values > 5% occurrences
            .map { it.first to "%.2f".format(it.second) } // Format to 2-decimals string
            .associate { it.first to "${it.second}%" } // Format to 2-decimals string

        println("Pos. ${position + 1} : $letterMap")
    }
}