Encoding a file as Base64

C:> Base64.exe -e input.jpg > output.txt

[Convert]::ToBase64String([IO.File]::ReadAllBytes("./input.jpg")) > output.txt

# Import a library for encoding files in Base64
import base64

# Create a function that will encode a file and return results.
def encode_file(file_path):
  with open(file_path, "rb") as fid:
      file_content = fid.read()
  return base64.b64encode(file_content).decode("utf-8")

// Read the file contents to memory.
var fs = require('fs');
var file = fs.readFileSync('/path/to/file');

// Get the file contents in Base64 format.
var encoded = Buffer.from(file).toString('base64');

// Import a library for encoding files in Base64.
import org.apache.commons.codec.binary.Base64;

// Get the file contents in Base64 format.
byte[] fileData = Base64.encodeBase64(yourFile.getBytes());

import (
    "bufio"
    "encoding/base64"
    "io/ioutil"
    "os"
)

// Open the file.
f, _ := os.Open("/path/to/file")

// Read the file contents.
reader := bufio.NewReader(f)
content, _ := ioutil.ReadAll(reader)

// Get the file contents in Base64 format.
base64.StdEncoding.EncodeToString(content)