b64

A command-line tool for working with base-64 encoded strings.

Requirements

b64 is written in Elixir and will require Elixir > 1.10 if installed locally.

Installation

Docker

Run docker build -t b64 . Verify b64 is installed properly by running docker run -i --rm b64 --help.

Local

Start by cloning the repo at https://github.com/cmmorrow/b64.

Run mix escript.build from the command line to build the b64 binary. Verify b64 is installed properly by running ./b64 --help.

Usage

Usage: b64 [--encode|--decode] [STRING]

  A command-line tool for working with base-64 encoded strings.

  STRING - If encoding, STRING is a unicode, ASCII, or binary string.
            If decoding, STRING is a base-64 encoded string.
            Optionally, STRING can be piped from STDIN.

Options:
  --decode       Decode a base-64 encoded string to a binary string.
  -d             Alias for --decode.
  --encode       Encode a unicode, ASCII, or binary string to base-64.
  -e             Alias for --encode.
  --help         Prints this message.
  --urldecode    Decode a base-64 encoded string containing URL safe 
                  characters.
  --urlencode    Encode a base-64 string using URL safe characters.

Examples

Encode an ASCII string.

b64 --encode hello

Decode an ASCII string.

b64 --decode aGVsbG8=

Encode an ASCII string from stdin.

echo 'hello' | b64 --encode

Decode an ASCII string from stdin.

echo 'aGVsbG8=' | b64 --decode

Encode a unicode string.

b64 --encode エンコード

Decode a unicode string

b64 --decode 44Ko44Oz44Kz44O844OJ