public static bool AreFileContentsEqual(string fileA, string fileB)
{
const int bufferSize = sizeof(Int64) << 10;
using (var streamA = new FileStream(fileA, FileMode.Open, FileAccess.Read, FileShare.Read, bufferSize))
using (var streamB = new FileStream(fileB, FileMode.Open, FileAccess.Read, FileShare.Read, bufferSize))
{
if (streamA.Length != streamB.Length)
{
return(false);
}
var seqA = streamA.AsIenumerable(bufferSize);
var seqB = streamB.AsIenumerable(bufferSize);
return(seqA.Zip(seqB, (bA, bB) => bA == bB).All(b => b));
}
}
