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