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'

Number to binary:

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"].

Binary to number:

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:

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

Output: 10.

# count the "1"s in a number's binary
Binary.ones_count 1000
# number of ones in 1000.to_b ("1111101000")

Output: 6.

# count the "0"s in a number's binary
Binary.zeros_count 1000
# number of zeros 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"].

# Binary representation of a random number between 1 and 100
Binary.random 100

Output: "111".

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