public static void AppendBytes(string filePath, byte[] bytes)
{
Sanity.Requires(File.Exists(filePath), $"File {filePath} doesn't exist.");
using (FileStream fs = new FileStream(filePath, FileMode.Append, FileAccess.Write))
{
fs.Write(bytes, 0, bytes.Length);
}
}
public static byte[] GetBytes(string filePath, long offset, int length)
{
using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read))
{
Sanity.Requires(fs.Length >= offset + length, $"File length {fs.Length} is shorter than required {offset} + {length}.");
fs.Seek(offset, SeekOrigin.Begin);
using (BinaryReader br = new BinaryReader(fs))
{
return(br.ReadBytes(length));
}
}
}