com.github.halfmatthalfcat.stringmetric.cli.similarity.dicesorensenmetric.scala Maven / Gradle / Ivy
package com.github.halfmatthalfcat.stringmetric.cli.similarity
import com.github.halfmatthalfcat.stringmetric.cli._
import com.github.halfmatthalfcat.stringmetric.similarity.DiceSorensenMetric
case object dicesorensenmetric extends Command(
(opts) =>
"Compares the similarity of two strings using the Dice / Sorensen coefficient." + Ls + Ls +
"Syntax:" + Ls +
Tab + "dicesorensenmetric [Options] string1 string2..." + Ls + Ls +
"Options:" + Ls +
Tab + "-h, --help" + Ls +
Tab + Tab + "Outputs description, syntax, and opts." +
Tab + "--n" + Ls +
Tab + Tab + "The n-gram size, traditionally 2.",
(opts) => opts.contains('dashless) && (opts('dashless): Array[String]).length == 2 &&
opts.contains('n) && (opts('n): Int) >= 1,
(opts) => {
val strings: Array[String] = opts('dashless)
val n: Int = opts('n)
DiceSorensenMetric(n).compare(strings(0), strings(1))
.map(_.toString)
.getOrElse("not comparable")
}
) { override def main(args: Array[String]): Unit = super.main(args) }