Letter frequency: Difference between revisions
Added Kotlin
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(Added Kotlin) |
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Line 1,480:
("d";1)
("!";1))
</pre>
=={{header|Kotlin}}==
<lang scala>// version 1.1.1
import java.io.File
fun main(args: Array<String>) {
val text = File("input.txt").readText().toLowerCase()
val letterMap = text.filter { it in 'a'..'z' }.groupBy { it }.toSortedMap()
for (letter in letterMap) println("${letter.key} = ${letter.value.size}")
val sum = letterMap.values.sumBy { it.size }
println("\nTotal letters = $sum")
}</lang>
{{out}}
'input.txt' just contains two pangrams:
The quick brown fox jumps over the lazy dog.
Sphinx of black quartz, judge my vow.
<pre>
a = 3
b = 2
c = 2
d = 2
e = 4
f = 2
g = 2
h = 3
i = 2
j = 2
k = 2
l = 2
m = 2
n = 2
o = 6
p = 2
q = 2
r = 3
s = 2
t = 3
u = 4
v = 2
w = 2
x = 2
y = 2
z = 2
Total letters = 64
</pre>
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