public static Lines CompareLines(string firstFile, string secondFile)
{
Lines lines = new Lines(0, 0);
System.Text.Encoding encoding = System.Text.Encoding.GetEncoding(1251);
using (StreamReader firstReader = new StreamReader(firstFile, encoding))
{
using (StreamReader secondReader = new StreamReader(secondFile, encoding))
{
string firstFileLine = firstReader.ReadLine();
string secongFileLine = secondReader.ReadLine();
while (firstFileLine != null || secongFileLine != null)
{
if (firstFileLine == secongFileLine)
{
lines.same++;
firstFileLine = firstReader.ReadLine();
secongFileLine = secondReader.ReadLine();
}
else
{
lines.different++;
firstFileLine = firstReader.ReadLine();
secongFileLine = secondReader.ReadLine();
}
}
}
}
return lines;
}
static void Main(string[] args)
{
Lines lines = new Lines(0, 0);
try
{
lines = CompareLines(FIRSTFILE, SECONDFILE);
Console.WriteLine("Number of identical lines: {0}", lines.same);
Console.WriteLine("Number of different lines: {0}", lines.different);
}
catch (FileNotFoundException fe)
{
Console.WriteLine("Error: {0}", fe.Message);
}
catch (UnauthorizedAccessException ue)
{
Console.WriteLine("Could not read or write to file. Permission is denied. {0}", ue.Message);
}
}
