25 lines
870 B
Text
25 lines
870 B
Text
// version 1.1.0
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val weights = listOf(1, 3, 1, 7, 3, 9, 1)
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fun sedol7(sedol6: String): String {
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if (sedol6.length != 6) throw IllegalArgumentException("Length of argument string must be 6")
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var sum = 0
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for (i in 0..5) {
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val c = sedol6[i]
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val v = when (c) {
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in '0'..'9' -> c.toInt() - 48
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in 'A'..'Z' -> c.toInt() - 55
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else -> throw IllegalArgumentException("Argument string contains an invalid character")
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}
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sum += v * weights[i]
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}
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val check = (10 - (sum % 10)) % 10
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return sedol6 + (check + 48).toChar()
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}
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fun main(args: Array<String>) {
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val sedol6s = listOf("710889", "B0YBKJ", "406566", "B0YBLH", "228276", "B0YBKL",
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"557910", "B0YBKR", "585284", "B0YBKT", "B00030")
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for (sedol6 in sedol6s) println("$sedol6 -> ${sedol7(sedol6)}")
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}
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