private void Merge(string firstPointer, string secondPointer, int steep, int chunkNumber, string output = null)
{
if (firstPointer != null && secondPointer != null)
{
using (var first = _manager.GetReader(firstPointer))
using (var second = _manager.GetReader(secondPointer))
using (var writer = output != null ? _manager.GetWriter(output) : _manager.GetWriter(steep, chunkNumber))
{
string data1 = null; string data2 = second.Read();
while (!first.IsEnd || !second.IsEnd)
{
data1 = first.Read();
while (!second.IsEnd && _comparer.Compare(data1, data2) >= 0)
{
writer.Write(data2);
data2 = second.Read();
}
writer.Write(data1);
}
writer.Write(data2);
}
}
}