Module: HumanBytes

Defined in:
lib/human_bytes.rb,
lib/human_bytes/version.rb

Defined Under Namespace

Modules: MethodVersion

Constant Summary collapse

UNIT_SETS = 
[
  {
    B: 1,
    KiB: 2**10,
    MiB: 2**20,
    GiB: 2**30,
    TiB: 2**40,
    PiB: 2**50,
    EiB: 2**60,
    ZiB: 2**70,
    YiB: 2**80
  },
  {
    B: 1,
    KB: 10**3,
    MB: 10**6,
    GB: 10**9,
    TB: 10**12,
    PB: 10**15,
    EB: 10**18,
    ZB: 10**21,
    YB: 10**24,
  }
]
B = 
1
DEFAULTS =

places (Integer): number of places after the decimal point i (Boolean): use IT prefixes based on powers of 2 rather than 10

{ places: 2, i: true }
VERSION = 
"0.11.0"

Class Method Summary collapse

Class Method Details

.human_bytes(byte_size, opts = {}) ⇒ Object 



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# File 'lib/human_bytes.rb', line 42

def human_bytes(byte_size, opts={})
  opts = DEFAULTS.merge(opts)
  places = opts[:places]
  i = opts[:i]

  unit_sizes = UNIT_SETS[ i ? 0 : 1]

  last_unit = :B
  unit_sizes.each_pair do |unit,unit_size|
    break if byte_size < unit_size
    last_unit = unit
  end
  last_unit_size = unit_sizes[last_unit]

  qty = (Flt::DecNum(byte_size.to_s)/(last_unit_size)).round(places: places)
  "#{qty} #{last_unit}"
end