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class method

Gem::Util.popen

popen(*command)

# File tmp/rubies/ruby-4.1.0-preview1/lib/rubygems/util.rb, line 53
def self.popen(*command)
  IO.popen command, &:read
end

This calls IO.popen and reads the result

See also .inflate .traverse_parents .gzip also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0