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package com.rockymadden.stringmetric.cli.similarity
import com.rockymadden.stringmetric.cli._
import com.rockymadden.stringmetric.similarity.LevenshteinMetric
case object levenshteinmetric extends Command(
(opts) =>
"Compares the number of characters that two strings are different from one another via insertion, deletion, " +
"and substitution." + Ls + Ls +
"Syntax:" + Ls +
Tab + "levenshteinmetric [Options] string1 string2..." + Ls + Ls +
"Options:" + Ls +
Tab + "-h, --help" + Ls +
Tab + Tab + "Outputs description, syntax, and options.",
(opts) => opts.contains('dashless) && (opts('dashless): Array[String]).length == 2,
(opts) => {
val strings: Array[String] = opts('dashless)
LevenshteinMetric.compare(strings(0), strings(1))
.map(_.toString)
.getOrElse("not comparable")
}
)
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