 import Foundation
 
 
-let version = "0.2.0"
+// Application version number.
+let version = "0.2.1"
 
 
+// Command line help text.
 let usage =
     "Usage: hexdump [FLAGS] [OPTIONS] ARGUMENTS\n" +
     "\n" +

            print(".")
        }
    }
    println()
}


main()

        }
    }

    // Check for the presence of any command line options.
    loop: while true {
        switch getopt(C_ARGC, C_ARGV, Array("o:n:l:".utf8).map { Int8($0) }) {
            case  -1: // no more options to process
