public static void SubMain(string[] args)
{
if (args.Length != 1)
{
Console.Error.WriteLine("The hash-file sub-command expects exactly one argument, got " + args.Length + ".");
Environment.Exit(1); return;
}
string fn = args[0];
var hasher = new DropboxContentHasher();
byte[] buf = new byte[1024];
using (var file = File.OpenRead(fn))
{
while (true)
{
int n = file.Read(buf, 0, buf.Length);
if (n <= 0)
{
break; // EOF
}
hasher.TransformBlock(buf, 0, n, buf, 0);
}
}
hasher.TransformFinalBlock(Array.Empty <byte>(), 0, 0);
string hexHash = DropboxContentHasher.ToHex(hasher.Hash);
Console.WriteLine(hexHash);
byte[] all = File.ReadAllBytes(fn);
Console.WriteLine(DropboxContentHasher.ToHex(RunTests.ReferenceHasher(all, all.Length)));
hasher = new DropboxContentHasher();
hasher.TransformBlock(all, 0, all.Length, all, 0);
hasher.TransformFinalBlock(Array.Empty <byte>(), 0, 0);
Console.WriteLine(DropboxContentHasher.ToHex(hasher.Hash));
}
