Google sketchup dxf export

"def dfx_output_text
model = Sketchup.active_model
entities = model.entities
if (entities.length > 0)
$dxf_file = File.new( ""test.dxf"" , ""w"" )
i = 0
while i < (entities.count)
if(entities[i].typename == ""Text"")
dxf_ouput_text(entities[i])
end
i+=1
end
end
end

def dxf_ouput_text(text)
points = text.point
$dxf_file.puts( "" 0\nTEXT\n1\n192\n330\n1F\n100\nAcDbEntity\n8\n""+text.layer.name+""\n"")
$dxf_file.puts(""100\nAcDbText\n"")
if(points == nil)
$dxf_file.puts(""10\n0.0\n"")#x
$dxf_file.puts(""20\n0.0\n"")#y
$dxf_file.puts(""30\n0.0\n"")#z
else
$dxf_file.puts(""10\n""+points.x.to_f.to_s+""\n"")#x
$dxf_file.puts(""20\n""+points.y.to_f.to_s+""\n"")#y
$dxf_file.puts(""30\n""+points.z.to_f.to_s+""\n"")#z
end
$dxf_file.puts(""39\n""+text.line_weight.to_s+""\n"")#thickness
$dxf_file.puts(""40\n""+(1).to_s+""\n"")#text height
$dxf_file.puts(""1\n""+text.text+""\n"")#text
end"