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static void JoinFiles(string FileOne, string FileTwo, string Out)
{
//declare head size
const long HeadSize = sizeof(long) * 4;
//get files size
long FFS = (new FileInfo(FileOne).Length),
SFS = (new FileInfo(FileTwo).Length);
//Full paths of files
string FFFN = Path.GetFileName(Path.GetFullPath(FileOne)),
SFFN = Path.GetFileName(Path.GetFullPath(FileTwo));
//calculate offsets
long FirstFileOffset = HeadSize + FFFN.Length,
FirstFileNameOffset = HeadSize,
SecondFileNameOffset = FirstFileOffset + FFS,
SecondFileOffset = SecondFileNameOffset + SFFN.Length;
//declare head
byte[] Head = new byte[HeadSize];
/*
* FFO FFNO SFO SFNO
*/
//Format head
Head = JoinArrays<byte>(BitConverter.GetBytes(FirstFileOffset),
BitConverter.GetBytes(FirstFileNameOffset),
BitConverter.GetBytes(SecondFileOffset),
BitConverter.GetBytes(SecondFileNameOffset));
//declare streams
System.IO.BinaryReader FBR = new BinaryReader(File.OpenRead(FileOne));
System.IO.BinaryWriter BW = new System.IO.BinaryWriter(File.Create(Out));
//Write head information
foreach (byte b in Head) BW.Write(b);
//Write first file name
byte[] buffer = System.Text.ASCIIEncoding.ASCII.GetBytes(FFFN);
BW.Write(buffer, 0, buffer.Length);
//Write first file
for (long id = 0; id < FFS; id++) BW.Write(FBR.ReadByte());
//Write second file name
buffer = System.Text.ASCIIEncoding.ASCII.GetBytes(SFFN);
BW.Write(buffer, 0, buffer.Length);
//Open second file
FBR.Close();
FBR = new BinaryReader(File.OpenRead(FileTwo));
//Write second file
for (long id = 0; id < SFS; id++) BW.Write(FBR.ReadByte());
//Save result
BW.Flush();
//Close streams
FBR.Close();
BW.Close();
}
Функция склеивания двух файлов. Писал вчера вечером, когда утром посмотрел, я понял что писал я это очень поздно.
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