Question

How to convert binary digits to a byte list in Kotlin

Answer 1

fun binaryToByteList(binaryString: String): List<Int> {
    if (binaryString.length % 8 != 0) {
        throw IllegalArgumentException("Binary string length must be a multiple of 8.")
    }

    return (binaryString.indices step 8).map { i ->
        binaryString.substring(i, i + 8).toInt(2)
    }
}

fun main() {
    val binaryString = "10101110111010101110101001001011"
    try {
        val byteList = binaryToByteList(binaryString)
        println("Byte List: ${byteList.joinToString(" ")}")
    } catch (e: IllegalArgumentException) {
        println("Error: ${e.message}")
    }
}

 
  
/*
run:
 
Byte List: 174 234 234 75

*/

 

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