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package com.rockymadden.stringmetric.cli.similarity
import com.rockymadden.stringmetric.cli._
import com.rockymadden.stringmetric.similarity.DiceSorensenMetric
/**
* The diceSorensenMetric [[com.rockymadden.stringmetric.cli.Command]]. Compares the similarity of two strings using the
* Dice coefficient / Sorensen similarity index.
*/
object diceSorensenMetric extends Command {
override def main(args: Array[String]): Unit = {
val options = OptionMap(args)
try
if (options.contains('h) || options.contains('help)) {
help()
exit(options)
} else if (options.contains('dashless) && (options('dashless): OptionMapArray).length == 2
&& options.contains('n) && (options('n): OptionMapInt) >= 1) {
execute(options)
exit(options)
} else throw new IllegalArgumentException("Expected valid syntax. See --help.")
catch {
case e: Throwable => error(e, options)
}
}
override def help(): Unit = {
val ls = sys.props("line.separator")
val tab = " "
println(
"Compares the similarity of two strings using the Dice coefficient / Sorensen similarity index." + ls + ls +
"Syntax:" + ls +
tab + "diceSorensenMetric [Options] string1 string2..." + ls + ls +
"Options:" + ls +
tab + "-h, --help" + ls +
tab + tab + "Outputs description, syntax, and options." +
tab + "--n" + ls +
tab + tab + "The n, traditionally 2."
)
}
override def execute(options: OptionMap): Unit = {
val strings: OptionMapArray = options('dashless)
val n: OptionMapInt = options('n)
println(DiceSorensenMetric.compare(strings(0), strings(1))(n).getOrElse("not comparable"))
}
}
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