gistfile1.xml

<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/MsBuild/2003">
  <UsingTask TaskName="CssCompressorTask" AssemblyFile="..\..\..\..\..\Reference Assemblies\Yahoo.Yui.Compressor.Build.MsBuild.dll" />
  <UsingTask TaskName="JavaScriptCompressorTask" AssemblyFile="..\..\..\..\..\Reference Assemblies\Yahoo.Yui.Compressor.Build.MsBuild.dll" />

  <PropertyGroup>
    <CssMinOutputFile>..\Assets\Styles\Stylesheet1.min.css</CssMinOutputFile>
    <JavaScriptMinOutputFile>..\Assets\Scripts\Javascript1.min.js</JavaScriptMinOutputFile>
  </PropertyGroup>

  <Target Name="Minify">
    <!-- overwrite compiled files (bypass checkout issues) -->
    <Exec Command="attrib -r $(CssMinOutputFile) /s /d " />
    <Exec Command="attrib -r $(JavaScriptMinOutputFile) /s /d " />

    <ItemGroup>
      <!-- //////// 1 - CSS Core \\\\\\\\ -->
      <CssFiles Include="css/Stylesheet1.css"/>     
      
      <!-- //////// 2 - Javascript Core \\\\\\\\ -->
      <JavaScriptFiles Include="js/Javascript1.js"/>
    </ItemGroup>

    <!--  Main CSS -->
    <CssCompressorTask
      SourceFiles="@(CssFiles)"
      DeleteSourceFiles="false"
      OutputFile="$(CssMinOutputFile)"
      CompressionType="Standard"
      LoggingType="Info"
      PreserveComments="false"
      LineBreakPosition="-1" />

    <!-- Javascript -->
    <JavaScriptCompressorTask
      SourceFiles="@(JavaScriptFiles)"
      DeleteSourceFiles="false"
      OutputFile="$(JavaScriptMinOutputFile)"
      CompressionType="Standard"
      ObfuscateJavaScript="True"
      PreserveAllSemicolons="False"
      DisableOptimizations="No"
      EncodingType="Default"
      LineBreakPosition="-1"
      LoggingType="Info"
      ThreadCulture="en-gb"
      IsEvalIgnored="false" />
  </Target>
</Project>