EditorGUIUtility.systemCopyBuffer  

static var systemCopyBuffer : String

Description

The system copy buffer.

Use this to make Copy and Paste work for your own stuff.

have more than 1 saved "copy" command.

// Simple editor Window that lets you have more than 1 saved "copy" command

class EditorGUISystemCopyBuffer extends EditorWindow {

    var savedCopies : String[] = new String[5];
    var load = false;
    
    @MenuItem("Examples/Improved copy buffer")
    static function Init() {
        var window = GetWindow(EditorGUISystemCopyBuffer);
        window.Show();
    }
    
    function OnGUI() {
        load = EditorGUILayout.Toggle("Load:", load);
        EditorGUILayout.BeginHorizontal();
        for(var i = 0; i < savedCopies.Length; i++)
            if(GUILayout.Button(i.ToString()))
                if(load)
                    EditorGUIUtility.systemCopyBuffer = savedCopies[i];
                else
                    savedCopies[i] = EditorGUIUtility.systemCopyBuffer;
        EditorGUILayout.EndHorizontal();
        
        for(var j = 0; j < savedCopies.Length; j++)
            EditorGUILayout.LabelField("Saved " + j, savedCopies[j]);
        
        EditorGUILayout.LabelField("Current buffer:", EditorGUIUtility.systemCopyBuffer);
        if(GUILayout.Button("Clear all saves"))
            for(var s : String in savedCopies)
                s = "";
    }
    
    function OnInspectorUpdate() {
        this.Repaint();
    }
}