動くGame ObjectのPositionとRotationの値を求めたい

前提・実現したいこと

Unity初心者です
Unity Chanが走った時の、関節のごとのPositionとRotationの値をフレームごとに出力したいです。出力にはExcelを使用したいと考えています
関節ごとに空のgame objectを作成し、そこから値を求めたいのですが、エラーになってしまいうまくいきません
現在、左右の足首の値をExcelで出力しようとしています

発生している問題・エラーボールドテキストメッセージ

Assets\Scripts\Rlog.cs(6,14): error CS0101: The namespace '<global namespace>' already contains a definition for 'Rlog'
Assets\Scripts\Rlog.cs(9,10): error CS0111: Type 'Rlog' already defines a member called 'Start' with the same parameter types
Assets\Scripts\Rlog.cs(14,10): error CS0111: Type 'Rlog' already defines a member called 'fixedUpdate' with the same parameter types

該当のソースコード

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

public class Rlog : MonoBehaviour
{
// Use this for initialization
void Start()
{
Application.targetFrameRate = 60;
}
// Update is called once per frame
void fixedUpdate()
{
//ここに処理
StreamWriter sw;
FileInfo fi;

    GameObject RFootLog = GameObject.Find("Character1_RightFoot");

    fi = new FileInfo(Application.dataPath + "/LE2.csv");
    sw = fi.AppendText();
    sw.Write(Time.time); sw.Write(", ");

    sw.Write(RFootLog.transform.position.x); sw.Write(", ");

    sw.Write(RFootLog.transform.position.y); sw.Write(", ");
    sw.WriteLine(RFootLog.transform.position.z); sw.Write(",");

    sw.Flush();
    sw.Close();


}

}

該当のソースコード

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

public class log : MonoBehaviour
{
// Use this for initialization
void Start()
{
Application.targetFrameRate = 60;
}
// Update is called once per frame
void fixedUpdate()
{
//ここに処理
StreamWriter sw;
FileInfo fi;

    GameObject FootLog = GameObject.Find("Character1_LeftFoot");

    fi = new FileInfo(Application.dataPath + "/a.csv");
    sw = fi.AppendText();
    sw.Write(Time.time); sw.Write(", ");

    sw.Write(FootLog.transform.position.x); sw.Write(", ");

    sw.Write(FootLog.transform.position.y); sw.Write(", ");
    sw.WriteLine(FootLog.transform.position.z); sw.Write(", ");

    sw.Flush();
    sw.Close();


}

}