C# read large file

C# read huge file

class Program
{        
    static void Main(String[] args)
    {
        const int bufferSize = 1024;

        var sb = new StringBuilder();
        var buffer = new Char[bufferSize];
        var length = 0L;
        var totalRead = 0L;
        var count = bufferSize; 

        using (var sr = new StreamReader(@"C:\Temp\file.txt"))
        {
            length = sr.BaseStream.Length;               
            while (count > 0)
            {                    
                count = sr.Read(buffer, 0, bufferSize);
                sb.Append(buffer, 0, count);
                totalRead += count;
            }                
        }

        Console.ReadKey();
    }
}

Source: stackoverflow.com

C# read large file

int filesize = (new FileInfo(filePath)).Length;            
using (Stream sr = File.OpenRead(filePath))
{
  int maxchunk = 1024;
    for(long x = 0; x < totalChunk; x++ )
    {
        long LefttotalLegth = filesize - (x * maxchunk);
        long leghtcopy = Math.Min(maxchunk, LefttotalLegth);
        byte[] chunkbyte = new byte[leghtcopy];        
        sr.Read(chunkbyte, 0, chunkbyte.Length);
       //Do something after read. like write to file
    }                           
}

Similar codes

4 votes236 views1 answer
What are access modifiers in c#
C#
13 votes183 views3 answers
How to use console in c#
C#
0 vote212 views1 answer
Backcolor app winform C3
C#
1 vote237 views1 answer
Unity load current scene
C#
1 vote271 views2 answers
Unity change material at runtime
C#Unity
1 vote262 views1 answer
C# find start and end of month from object date
C#
53 votes251 views6 answers
Unity load scene
C#
1 vote192 views1 answer
Throw grenade again csgo
C#
0 vote224 views1 answer
Asp.net listbox disable selection
C#
0 vote194 views1 answer
Vb.net how insert event inside an event
C#