Using ScriptCS to very easily Base64 encode data in a file

Oh, what’s that? You need me to process a huge file and spew out the data plus its Base64? I’d better write a new .Net proje-OH NO WAIT A MINUTE I DON’T HAVE TO ANY MORE!

ScriptCS is C# from the command line; no project file, no visual studio (.. no intellisense..), but it’s perfect for little hacks like these.

First, go and install Chocoloatey package manager:

c:> @powershell -NoProfile -ExecutionPolicy unrestricted -Command "iex ((new-object net.webclient).DownloadString(''))" && SET PATH=%PATH%;%systemdrive%\chocolatey\bin

Then use chocolatey to install scriptcs:

cinst scriptcs

Then open your text editor of choice (I used SublimeText2 for this one) and write some basic C# plus references, save it as e.g. hasher.csx:

using System;
using System.Text;
using System.IO;
using System.Collections.Generic;

var sourceFile = @"C:\Users\rposbo\import.txt";
var destinationFile = @"C:\Users\rposbo\export.txt";

var lines = File.ReadAllLines(sourceFile);
var newOutput = new List<string>();

foreach(var line in lines){
	var hash = Convert.ToBase64String(Encoding.Default.GetBytes(line));

File.WriteAllLines(destinationFile, newOutput.ToArray());

Then run that from the command line:

c:\Users\rposbo\> scriptcs hasher.csx

And you’ll end up with your output; minimal fuss and effort.

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