public static void Main(string[] args)
{
// check that arguments have been supplied
if (args.Length != 2)
{
Console.WriteLine("missing args");
System.Environment.Exit(1);
}
// attempt to open data file
InFile data = new InFile(args[0]);
if (data.OpenError())
{
Console.WriteLine("cannot open " + args[0]);
System.Environment.Exit(1);
}
// attempt to open results file
OutFile results = new OutFile(args[1]);
if (results.OpenError())
{
Console.WriteLine("cannot open " + args[1]);
System.Environment.Exit(1);
}
// various initializations
int total = 0;
IntSet mySet = new IntSet();
IntSet smallSet = new IntSet(1, 2, 3, 4, 5);
string smallSetStr = smallSet.ToString();
// read and process data file
int item = data.ReadInt();
while (!data.NoMoreData())
{
total = total + item;
if (item > 0)
{
mySet.Incl(item);
}
item = data.ReadInt();
}
// write various results to output file
results.Write("total = ");
results.WriteLine(total, 5);
results.WriteLine("unique positive numbers " + mySet.ToString());
results.WriteLine("union with " + smallSetStr
+ " = " + mySet.Union(smallSet).ToString());
results.WriteLine("intersection with " + smallSetStr
+ " = " + mySet.Intersection(smallSet).ToString());
/* or simply
* results.WriteLine("union with " + smallSetStr + " = " + mySet.Union(smallSet));
* results.WriteLine("intersection with " + smallSetStr + " = " + mySet.Intersection(smallSet));
*/
results.Close();
} // Main