Unityで別プロセスを実行し、ログを受け取る

ExecuteShell.cs

using System.Text;
using UnityEditor;
using UnityEngine;

public class ExecuteShell
{
  static readonly string argment = "hoge.sh";
	static readonly int maxSize = 1048576;
	
	[MenuItem("Edit/Execute %t")]
	static void Execute ()
	{
		var p = new System.Diagnostics.Process ();
		
		p.EnableRaisingEvents = true;
		p.StartInfo.FileName = "sh";
		p.StartInfo.Arguments = argment;
		p.StartInfo.UseShellExecute = false;
		p.StartInfo.RedirectStandardOutput = true;

		p.Start ();
		p.WaitForExit ();
		
		var data = new byte[maxSize];
		p.StandardOutput.BaseStream.Read(data, 0, maxSize);
		
		var msg = Encoding.UTF8.GetString(data);
		Debug.Log(msg);
	}
}