Binary

Simple Ruby gem to convert numbers into binaries & binaries into numbers

Installation

Add this line to your application's Gemfile:

gem 'binary'

Then run:

$ bundle

Or from the terminal:

$ gem install binary

require 'binary'

Binary to number:

Binary.binary 2018

Or

2018.to_b

Output: "11111100010".

Array of numbers to binaries.

Binary.binary([[7,9,11])

Or

[7,9,11].to_b

Output: ["111", "1001", "1011"].

Number to binary:

Binary.number "11111100010"

Or

"11111100010".to_num

Output: 2018.

Array of binaries to numbers:

Binary.number(["111", "1001", "1011"])

Or

["111", "1001", "1011"].to_num

Output: [7,9,11].

Other methods available:

# number of bits in a number's binary
Binary.bits 1000
# number of bits in 1000.to_b ("1111101000")

Output: 10.

# number of ones in a number's binary
Binary.ones 1000
# number of ones in 1000.to_b ("1111101000")

Output: 6.

# number of zeros in a number's binary
Binary.zeros 1000
# number of ones in 1000.to_b ("1111101000")

Output: 4.

# list of binaries of prime numbers from 2 to 25
Binary.prime 25

Output: ["10", "11", "101", "111", "1011", "1101", "10001", "10011", "10111"].

The gem is available as open source under the terms of the MIT License.