32 lines
699 B
Ruby
32 lines
699 B
Ruby
module EnvUtil
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def rubybin
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unless ENV["RUBYOPT"]
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end
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if ruby = ENV["RUBY"]
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return ruby
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end
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ruby = "ruby"
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rubyexe = ruby+".exe"
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3.times do
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if File.exist? ruby and File.executable? ruby and !File.directory? ruby
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return File.expand_path(ruby)
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end
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if File.exist? rubyexe and File.executable? rubyexe
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return File.expand_path(ruby)
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end
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ruby = File.join("..", ruby)
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end
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begin
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require "rbconfig"
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File.join(
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RbConfig::CONFIG["bindir"],
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RbConfig::CONFIG["ruby_install_name"] + RbConfig::CONFIG["EXEEXT"]
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)
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rescue LoadError
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"ruby"
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end
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end
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module_function :rubybin
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end
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