1 files changed, 45 insertions, 0 deletions
diff --git a/cli/source/main/scala/com/rockymadden/stringmetric/cli/similarity/levenshteinmetric.scala b/cli/source/main/scala/com/rockymadden/stringmetric/cli/similarity/levenshteinmetric.scala
new file mode 100755
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--- /dev/null
+++ b/cli/source/main/scala/com/rockymadden/stringmetric/cli/similarity/levenshteinmetric.scala
@@ -0,0 +1,45 @@
+package com.rockymadden.stringmetric.cli.similarity
+
+import com.rockymadden.stringmetric.cli._
+import com.rockymadden.stringmetric.similarity.LevenshteinMetric
+
+/**
+ * The levenshteinmetric [[com.rockymadden.stringmetric.cli.Command]]. Compares the number of characters that two
+ * strings are different from one another via insertion, deletion, and substitution.
+ */
+object levenshteinmetric 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): Array[String]).length == 2) {
+				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 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."
+		)
+	}
+
+	override def execute(options: OptionMap): Unit = {
+		val strings: Array[String] = options('dashless)
+
+		println(LevenshteinMetric.compare(strings(0), strings(1)).getOrElse("not comparable"))
+	}
+}