RosettaCodeData/Task/Letter-frequency/Groovy/letter-frequency.groovy

6 lines
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Groovy
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2023-07-01 11:58:00 -04:00
def frequency = { it.inject([:]) { map, value -> map[value] = (map[value] ?: 0) + 1; map } }
frequency(new File('frequency.groovy').text).each { key, value ->
println "'$key': $value"
}