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| public static string ReadLastLine(string path)
{
return ReadLastLine(path, Encoding.Default, Environment.NewLine);
}
private static string ReadLastLine(string path, Encoding encoding, string
newline)
{
int charsize = encoding.GetByteCount("a");
byte[] buffer = encoding.GetBytes(newline);
using (FileStream stream = new FileStream(path, FileMode.Open))
{
long endpos = stream.Length / charsize;
for (long pos = charsize; pos < endpos; pos += charsize)
{
stream.Seek(-pos, SeekOrigin.End);
stream.Read(buffer, 0, buffer.Length);
if (encoding.GetString(buffer) == newline)
{
buffer = new byte[stream.Length - stream.Position];
stream.Read(buffer, 0, buffer.Length);
return encoding.GetString(buffer);
}
}
}
return null;
} |
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