using System;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
public class Test
{
	public static void Main(string[] args)
	{
		if (args.Length < 1) {
			Console.WriteLine("usage: hashlist.exe 入力ファイル [出力ファイル]");
			return;
		}
		var inFile = args[0];
		var outFile = args.Length >= 2 ? args[1] : "result.txt";
 
		if (!File.Exists(inFile)) {
			Console.WriteLine("Error: 入力ファイルが見つかりません");
			return;
		}
		var sha256 = SHA256.Create();
		File.WriteAllLines(outFile,
			File.ReadAllLines(args[0])
			.Select(_ => BitConverter.ToString(sha256.ComputeHash(Convert.FromBase64String(_))).Replace("-", "").ToLower())
		);
	}
}

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