While Signal
/*
Learning C#
by Jesse Liberty
Publisher: O'Reilly
ISBN: 0596003765
*/
using System;
public class WhileSignalTester
{
public static int Main()
{
string signal = "0"; // initialize to neutral
while (signal != "X") // X indicates stop
{
Console.Write("Enter a signal. X = stop. A = Abort: ");
signal = Console.ReadLine();
// do some work here, no matter what signal you
// receive
Console.WriteLine("Received: {0}", signal);
if (signal == "A")
{
// faulty - abort signal processing
// Log the problem and abort.
Console.WriteLine("Fault! Abort\n");
break;
}
if (signal == "0")
{
// normal traffic condition
// log and continue on
Console.WriteLine("All is well.\n");
continue;
}
// Problem. Take action and then log the problem
// and then continue on
Console.WriteLine("{0} -- raise alarm!\n",
signal);
}
return 0;
}
}
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