End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

class method

Gem.binary_mode

binary_mode

# File tmp/rubies/ruby-3.0.5/lib/rubygems.rb, line 308
def self.binary_mode
  'rb'
end

The mode needed to read a file as straight binary.

See also .already_loaded? .bindir .add_to_load_path .bin_path also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1