Language JScript/NET
Date: | 04/20/05 |
Author: | Chris R. Timmons |
URL: | n/a |
Comments: | 0 |
Info: | n/a |
Score: | (3.01 in 91 votes) |
* * NinetyNine.js * * The "99 Bottles of Beer" song rendered in JScript.NET. * * To compile: * * jsc /target:exe NinetyNine.js * * written by Chris R. Timmons (chris@crtimmonsinc.com) * March 25, 2003 */ import System; new Sing(); public final class Sing { const verse : String = "{0} bottle{2} of beer on the wall,\n" + "{0} bottle{2} of beer.\n" + "{4}" + "{1} bottle{3} of beer on the wall.\n"; const beerLeft : String = "Take one down, pass it around.\n"; const noBeerLeft : String = "Go to the store, get some more!\n"; public function Sing() { var bottles : int = this.GetNumberOfBottles(); for (var x = bottles; x >= 0; x--) { if (x == 2) Console.WriteLine(verse, x, x - 1, "s", "", beerLeft); else if (x == 1) Console.WriteLine(verse, x, "No more", "", "s", beerLeft); else if (x == 0) Console.WriteLine(verse, "No more", bottles, "s", (bottles == 1 ? "" : "s"), noBeerLeft); else Console.WriteLine(verse, x, x - 1, "s", "s", beerLeft); } } private function GetNumberOfBottles() : int { const defaultBottles : int = -1; // Return value. var bottles : int = defaultBottles; // Check the command line arguments. // (First array element is the program name. Elements 2 thru N // are the actual arguments). var args : String[] = Environment.GetCommandLineArgs(); if (args.Length == 1) { // If no arguments were given, default to 99 bottles. bottles = 99; } else if (args.Length == 2) { // One argument was given. // Is it a "/?" argument? if (args[1] == "/?") { DisplayUsage(); } else { // Attempt to convert the argument to an integer. try { // Strip out any commas the user may have included // in the number before attempting the conversion. bottles = Convert.ToInt32(args[1].Replace(",", "")); // The conversion succeeded... if (bottles < 1) { // ...but zero and negative numbers are not allowed. bottles = defaultBottles; Console.WriteLine(""); Console.WriteLine("ERROR: Can't sing a song for \"{0}\" bottles.", args[1]); DisplayUsage(); } } catch(ex) { Console.WriteLine(""); Console.WriteLine("ERROR: Can't sing a song for \"{0}\" bottles.", args[1]); DisplayUsage(); } } } else { // More than one argument was given. DisplayUsage(); } return bottles; } private function DisplayUsage() { Console.WriteLine(""); Console.WriteLine("NinetyNine.exe - Displays lyrics for the \"99 Bottles of Beer\" song."); Console.WriteLine(""); Console.WriteLine("Usage:"); Console.WriteLine(" NinetyNine [option]"); Console.WriteLine(""); Console.WriteLine(" NinetyNine Command Line Options"); Console.WriteLine(""); Console.WriteLine(" /? : Display this help screen."); Console.WriteLine(""); Console.WriteLine(" Integer between"); Console.WriteLine(" 1 and 2,147,483,648 : Number of bottles to sing about. "); Console.WriteLine(" Commas in the number are allowed."); Console.WriteLine(""); } }
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