command_builder.rb

c = CommandBuilder.new
c.default_command = :ls
c << "-als"
c << "a.a"
c.execute # ls -als a.a



line1 = CommandBuilder.new(:ls)
c << "-als"
c << "a.a"
c.execute # ls -als a.a

line2 = CommandBuilder.new(:ls)
c << "-als"
c << "a.a"
c.before
c.execute # ls -als a.a

script = ScriptBuilder.new
script << line1
script << line2

script = ScriptBuilder.new do 
  sql select * from tab where tabele_name = #{name}
end

script.before do 
  ls -als
end

script.after do 
  yum install #{resource.name}
end

script do
	
end