Help me about reading .TXT File

Questions & Answers
1

Hi there i have one TXT hile and i wanna use it as one word with one number. Text file...

Character / 0934
US / 0424
Seoul / 0426
etc...

and i wanna read one line such as *"seoul, 0426"*

3

Use the System.IO classes, such as StreamReader:

import System.IO;
var fileName = "foo.txt";

function Start () {
    var sr = new StreamReader(Application.dataPath + "/" + fileName);
    var fileContents = sr.ReadToEnd();
    sr.Close();

    var lines = fileContents.Split("

"[0]);
for (line in lines) {
print (line);
}
}

This reads in the contents of the named text file and splits into separate strings on the newline char.

4

You can use the Unity Text Asset class, and then use a regex to split it.

Simply do this…

public TextAsset dictionaryTextFile;

and then literally drop your text file in to the project. It would be called something.txt. In the example it is called yourTextFIle.txt…

58849-a.png

To convert a TextAsset to one long string, is completely trivial.

You just go .text. That’s all there is to it.

That’s exactly the reason we all use Unity, rather than actually bothering programming.

You then just convert that one long string to a List<> of strings.

So, in your code, simply do this:

public TextAsset dictionaryTextFile;
private string theWholeFileAsOneLongString;
private List<string> eachLine;

void Start()
	{
	theWholeFileAsOneLongString = dictionaryTextFile.text;
	
	eachLine = new List<string>();
	eachLine.AddRange(
                theWholeFileAsOneLongString.Split("

"[0]) );

	// you're done.
	
	Debug.Log(eachLine[4]);
	Debug.Log(eachLine[10]);
	Debug.Log(eachLine[101]);
	Debug.Log(eachLine[0]);
	int kWords = eachLine.Count;
	Debug.Log(eachLine[kWords-1]);
	}

AddRange and .Split(" "[0]) are just methods to easily convert a long string which is separated by newlines, to, a List<> of words.

Fortunately it’s that easy.

2

You can use the standard c# file api.

If you want to run it in the webplayer or you are using javascript you could use the WWW class to do this.

var pathToFile = "path/to/example.txt";
var url = "file://" + pathToFile;
yiel download = new WWW(url);

text = download.data;

pathToFile needs to be a complete path. You could also use a path relative to your unity project. Then you'd have to do this to run in the editor:

var url = "file://" + Application.dataPath + "/../" + pathToFile;
5

How exactly would we open the file?