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Question by MccoringPL · Sep 06, 2017 at 03:58 PM · unity 5saveloadstreamreadertextfile

How to read specific line with Streamreader in c#?

Okay, im creating game for android and need make savesystem Im using C# so i dont wanna scripts in JS

Here is my script for save and load.. Im tried to make load system but nothing.. Save working ;D

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 using System.IO;
 using System.Text;
 using System.Timers;

 public class SaveLoad : MonoBehaviour {
 
     public int moneyo;
     public int hrs;
     public string date;
     int workedhrs;
     int savenumber;
 
     public void SaveButton()
     {
         savenumber = savenumber + 1;
         Save();
     }
 
     public void LoadButton()
     {
         Load();
     }
     void Save()
     {
         using (StreamWriter sw = new StreamWriter("savegame.txt"))
         {
             sw.WriteLine(""+moneyo.ToString());
             sw.WriteLine(""+workedhrs.ToString());
             sw.WriteLine("");
             sw.WriteLine("Saved at:" + System.DateTime.Now);
             Debug.Log("saved succesfuly");
             sw.Close();
         }
     }
 
     void Load()
     {
         using (TextReader rdr = File.OpenText("savegame.txt"))
         {
             string line;
             while ((line = rdr.ReadLine()) != null)
                 Debug.Log(line);
             rdr.Close();
         }
     }
 }

And this is what i have in saved file:

0

0

Saved at:9/6/2017 5:33:02 PM

I wanna get info from first and 2nd line for get info about money and worked hrs in game

Please help me fast.

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Answer by Iarus · Sep 06, 2017 at 05:10 PM

If your file format only contains these 3 lines, this should work.

  void Load()
  {
      using (TextReader rdr = File.OpenText("savegame.txt"))
      {
          int lineIndex = 0;
          string line;
          while ((line = rdr.ReadLine()) != null)
          {
              if (lineIndex == 0)
                 moneyo = Int.Parse(line);
              else if(lineIndex == 1)
                 workedhrs = Int.Parse(line);
              lineIndex++;
          }
          rdr.Close();
      }
  }
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avatar image MccoringPL · Sep 06, 2017 at 05:18 PM 0
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Ok, im checking it now, i will write instantly if that works and if not ;P

avatar image MccoringPL · Sep 06, 2017 at 05:37 PM 0
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Something goes wrong: http://screenshot.sh/odyItkRfrsdoS

http://screenshot.sh/n9GG$$anonymous$$RJ0l8XXk

http://screenshot.sh/m9nZiUN3Db$$anonymous$$ae

avatar image Iarus · Sep 06, 2017 at 10:12 PM 0
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In your code, the lineIndex++ is only done if lineIndex == 1. So you probably parse the first two lines with the first "if" and write in the moneyo variable twice. Then you parse the third line, it's not a number and the code crashes. Put the lineIndex after the "else if" block and it should work as expected.

... I should have used curly braces with the if else if blocks to make it more clear.

avatar image MccoringPL · Sep 07, 2017 at 01:27 PM 0
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Yeah that works! Thanks!

avatar image MccoringPL · Sep 08, 2017 at 12:44 AM 0
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And i've got some stupid shit :/

Screens: http://screenshot.sh/m9nZiUN3Db$$anonymous$$ae http://screenshot.sh/n9GG$$anonymous$$RJ0l8XXk http://screenshot.sh/odyItkRfrsdoS

I don't know what is not working :/

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