Learn C# | Working With Files

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If you have ever wanted to learn c# for multiple purposes.

Then here is your answer.

 

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Lets Get Started

 

You Will Need

Visual Studio.

Make Sure To Have C# Installed.

 

So I'm Currently using a windows form modified by devexpress.

 

Have A Layout of what you want but

here is mine for an example.

Make A Listview, Two Labels And Two Buttons

 

Now Add Three Columns In The List View

 

Like

This

 

 

Code

Button To Grab The Text File

try
            {
                OpenFileDialog ofd = new OpenFileDialog(); // Create New OFD
                ofd.Filter = "TXT files|*.txt"; // Only Accept Txt
                ofd.Title = "Load Accounts"; // Title Of OFD
                var dialogResult = ofd.ShowDialog(); // OFD ShowDiag Var
                if (dialogResult == DialogResult.OK) // If Ok
                {
                    foreach (var line in System.IO.File.ReadLines(ofd.FileName)) // Read LInes Of File
                    {
                        if (line.Contains(":")) // if Contaions
                        {
                            string Username = line.Split(':')[0].Trim(); // Splits example ( user:password:rank ) Into ( user )
                            string Password = line.Split(':')[1].Trim(); // Splits example ( user:password:rank ) Into ( password )
                            string Extra = line.Split(':')[2].Trim(); // Splits example ( user:password:rank ) Into ( Rank )
                            string[] row = { Username, Password, Extra }; // Make a row to be added into collums ( user password rank )
                            var listViewItem = new ListViewItem(row); // Make A New Var To Add Row
                            listView1.Items.Add(listViewItem); // Finally Add The Items
                        }
                    }
                }
                Statuslbl.Text = "Status > Success";
            }
            catch
            {
                Statuslbl.Text = "Status > Failed";
            }

Button To Remove Dupes

           try
           {
               var streamR = new StreamReader(File.OpenRead(@"users.txt")); // File We Are Removing Dupes From

               var streamW = new StreamWriter(File.OpenWrite(@"usersDupeRemove.txt")); // New File We Write 

               var lines = new HashSet(); 

               while (!streamR.EndOfStream) // While Not EndOfStream
               {
                   string line = streamR.ReadLine(); // ReadLine
                   int hashcode = line.GetHashCode();  // Create Hash Code var & Get Hash Code
                   if (lines.Contains(hashcode)) // If Contains Hash
                   {
                       continue;
                   }
                   lines.Add(hashcode); 
                   streamW.WriteLine(line); // Write Whats stored in line
               }
               streamW.Flush(); // Clear Buffers
               streamW.Close(); // Close Writer
               streamR.Close(); // Close Reader
               Weblbl.Text = "File > Cleaned";
           }
           catch
           {
               Weblbl.Text = "File > Failed";
           }

Hope You Have Enjoyed This Thread.

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[Mavo 0]

Whaile thats prob. nice