EditorGUIUtility.FindTexture  

static function FindTexture (name : String) : Texture2D

Description

Get a texture from its source filename.

Checks the path of a texture.

// Simply editor window that lets you quick check a path of
// a texture in your project instead of waiting your code to 
// compile.
//
// if the path exists then it shows a message
// else displays an error message

class EditorGUIUtilityFindTexture extends EditorWindow {

    var path : String = "";

    @MenuItem("Examples/Check Path For Texture")
    static function Init() {
        var window = GetWindow(EditorGUIUtilityFindTexture);
        window.position = Rect(0,0,180,55);
        window.Show();
    }
    
    function OnGUI() {
        path = EditorGUILayout.TextField("Path To Test:", path);
        if(GUILayout.Button("Check"))
            if(EditorGUIUtility.FindTexture(path)) {
                Debug.Log("Yay!, texture found at: " + path);
            } else {
                Debug.LogError("No texture found at: " + path + " Check your path");
            }
    }
}