/*
Written by: Michael Eaton
Date: Mon Apr 15 2002
Simple way to get the difference (in days) between two
dates.
*/
using System;
class DateDiff {
public static void Main(string[] args) {
DateTime StartDate = new DateTime();
DateTime EndDate = new DateTime();
String DiffBy = "";
TimeSpan Diff = new TimeSpan();
if (args.Length != 2) {
Usage();
return;
} else {
try {
if (args[0] != "") {
StartDate = DateTime.Parse(args[0]);
}
if (args[1] != "") {
EndDate = DateTime.Parse(args[1]);
}
if (args[2] !="") {
DiffBy = args[2];
}
Diff = EndDate.Subtract(StartDate);
Console.WriteLine("The number of days between '{0}' and '{1}' is {2}.",
StartDate.ToShortDateString(), EndDate.ToShortDateString(), Diff.Days);
} catch (FormatException) {
Console.WriteLine("Please enter valid dates.");
} catch (Exception e) {
Console.WriteLine("An exception has occurred: {0}.", e);
}
}
}
private static void Usage() {
Console.WriteLine("Mike's Command-Line DateDiff printer");
Console.WriteLine("Displays the number of days between two dates");
Console.WriteLine("(C) Copyright 2002 Michael Eaton\n");
Console.WriteLine("Usage: DateDiff <startdate> <enddate>");
Console.WriteLine();
Console.WriteLine("Start date and End date must be valid dates.");
}
}
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