73 lines
1.6 KiB
C#
73 lines
1.6 KiB
C#
using System;
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using System.Collections.Generic;
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using Mono.Options;
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class Test {
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static int verbosity;
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public static void Main (string[] args)
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{
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bool show_help = false;
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List<string> names = new List<string> ();
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int repeat = 1;
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var p = new OptionSet () {
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"Usage: greet [OPTIONS]+ message",
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"Greet a list of individuals with an optional message.",
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"If no message is specified, a generic greeting is used.",
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"",
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"Options:",
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{ "n|name=", "the {NAME} of someone to greet.",
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v => names.Add (v) },
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{ "r|repeat=",
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"the number of {TIMES} to repeat the greeting.\n" +
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"this must be an integer.",
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(int v) => repeat = v },
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{ "v", "increase debug message verbosity",
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v => { if (v != null) ++verbosity; } },
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{ "h|help", "show this message and exit",
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v => show_help = v != null },
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};
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List<string> extra;
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try {
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extra = p.Parse (args);
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}
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catch (OptionException e) {
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Console.Write ("greet: ");
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Console.WriteLine (e.Message);
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Console.WriteLine ("Try `greet --help' for more information.");
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return;
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}
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if (show_help) {
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p.WriteOptionDescriptions (Console.Out);
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return;
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}
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string message;
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if (extra.Count > 0) {
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message = string.Join (" ", extra.ToArray ());
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Debug ("Using new message: {0}", message);
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}
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else {
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message = "Hello {0}!";
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Debug ("Using default message: {0}", message);
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}
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foreach (string name in names) {
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for (int i = 0; i < repeat; ++i)
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Console.WriteLine (message, name);
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}
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}
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static void Debug (string format, params object[] args)
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{
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if (verbosity > 0) {
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Console.Write ("# ");
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Console.WriteLine (format, args);
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}
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}
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}
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