unity > fileIO > File.Exists() / System.IO.FileInfo() / fi1.Length

動作確認

Unity 5.1.1-f1 on MacOS X 10.8.5

ファイル関連の処理の練習。

1. File.Exists()
2. System.IO.FileInfo()
3. fi1.Length

参考
http://dobon.net/vb/dotnet/file/filesize.html

CompareScript.cs

using UnityEngine;
using System.Collections;
using UnityEngine.UI;

using UnityEditor; // for ClearConsole()
using System.IO; // for File.XXX, FileInfo()

public class CompareScript : MonoBehaviour {

	public InputField IF1; // filename1
	public InputField IF2; // filename2
	
	[MenuItem ("Tools/Clear Console %#c")]
	static void ClearConsole() {
		var logEntries = System.Type.GetType("UnityEditorInternal.LogEntries,UnityEditor.dll");
		var clearMethod = logEntries.GetMethod("Clear", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public);
		clearMethod.Invoke(null,null);
	}

	void compareFiles(string file1, string file2) {
		if (File.Exists (file1) == false || File.Exists (file2) == false) {
			Debug.Log("file not found");
			return;
		}

		System.IO.FileInfo fi1 = new System.IO.FileInfo (file1);
		System.IO.FileInfo fi2 = new System.IO.FileInfo (file2);

		Debug.Log (fi1.Length.ToString ());
		Debug.Log (fi2.Length.ToString ());

		if (fi1.Length > fi2.Length) {
			Debug.Log("file1 is larger than file2");
		} else {
			Debug.Log("file2 is larger than file1");
		}
	}

	public void CompareClick() {
		ClearConsole ();
		compareFiles (IF1.text, IF2.text);
	}
}