# File lib/tf/environment.rb, line 39
    def parse_env output
      env = []
      holder=nil
      terminator=nil
      output.each do |line|
        line.chomp!
        if holder.nil?
          if line =~ /^[^=]+=([\('\$]?)/
            holder = line
            if $1 && !$1.empty?
              terminator = $1.sub(/\$/,"'").sub(/\(/,")")
            end
          elsif line =~ /^[^=]*=/
            holder = line
            terminator=nil
          else
            $stderr.puts "Unknown environment token: #{line}." if ENV["TF_DEBUG"]
          end
        else
          holder += line
        end
        if terminator && line.chars.to_a.last == terminator
          terminator=nil
        end
        if holder && terminator.nil?
          env << parse_var( holder.strip )
          holder=nil
        end
      end
      Hash[ env ]
    end