 }
 
 func readOption(_ option: String) -> String? {
-  guard let argIndex = cliArgs.index(of: "--\(option)") else {
+  guard let argIndex = cliArgs.index(of: "-\(option)") else {
     return nil
   }
 

  sourceFiles.append(sourceFile)
}

let driver = Driver(ruleIdentifiers: enabledRules, reportType: reportType)
let exitCode = driver.lint(sourceFiles: sourceFiles, ruleConfigurations: ruleConfigurations)
exit(exitCode.rawValue)

    }
}

let reportType = readOption("-report-type") ?? "text"

var outputHandle: FileHandle = .standardOutput
if let outputPath = readOption("o") ?? readOption("-output") {
  let fileManager = FileManager.default
  if !fileManager.fileExists(atPath: outputPath) {
    fileManager.createFile(atPath: outputPath, contents: nil)
  }
  if let fileHandle = FileHandle(forWritingAtPath: outputPath) {
    outputHandle = fileHandle
  }
}

let filePaths = cliArgs
var sourceFiles = [SourceFile]()
