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package com.rockymadden.stringmetric.cli.similarity
import com.rockymadden.stringmetric.cli._
import com.rockymadden.stringmetric.similarity.RatcliffObershelpMetric
/**
* The ratcliffObershelpMetric [[com.rockymadden.stringmetric.cli.Command]]. Compares the similarity of two strings
* using the Ratcliff / Obershelp similarity index.
*/
object ratcliffObershelpMetric 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) {
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 Ratcliff / Obershelp similarity index." + ls + ls +
"Syntax:" + ls +
tab + "ratcliffObershelpMetric [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: OptionMapArray = options('dashless)
println(RatcliffObershelpMetric.compare(strings(0), strings(1)).getOrElse("not comparable"))
}
}
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