method

prefix

v2_1_10 - Show latest stable - Class: Gem

prefix()

public

The directory prefix this RubyGems was installed at. If your prefix is in a standard location (ie, rubygems is installed where you’d expect it to be), then prefix returns nil.

# File lib/rubygems.rb, line 743
  def self.prefix
    prefix = File.dirname RUBYGEMS_DIR

    if prefix != File.expand_path(RbConfig::CONFIG['sitelibdir']) and
       prefix != File.expand_path(RbConfig::CONFIG['libdir']) and
       'lib' == File.basename(RUBYGEMS_DIR) then
      prefix
    end
  end

prefix

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