MSBuild Batching

gistfile10.xsl

<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <ItemGroup>
    <GroupA Include="file1.txt"/>
    <GroupA Include="file2.txt"/>
    <GroupA Include="file3.txt"/>
    <GroupA Include="file4.txt"/>
  </ItemGroup>

  <ItemGroup>
    <GroupB Include="file1.txt"/>
    <GroupB Include="file3.txt"/>
    <GroupB Include="file5.txt"/>
  </ItemGroup>

  <Target Name="Build">
    <CreateItem Include="@(GroupA)" Condition="'%(Identity)' != _ and '@(GroupA)' != _ and '@(GroupB)' != ''">
      <Output TaskParameter="Include" ItemName="GroupC"/>
    </CreateItem>
    <Message Text="@(GroupC)"/>
  </Target>
</Project>

gistfile2.xsl

<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <ItemGroup>
    <fruit Include="apple"/>
    <fruit Include="rhubarb"/>
    <fruit Include="apricot"/>
    
    <form Include="cake"/>
    <form Include="pie"/>
    <form Include="sorbet"/>
    <form Include="mousse"/>
  </ItemGroup>

  <Target Name="Baking" Inputs="@(fruit)" Outputs="%(identity)">
    <Message Text="@(fruit) %(form.identity)"/>
  </Target>
  
</Project>

gistfile3.xsl

<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
    
    <ItemGroup>
        <ExampColl Include="Item1">
            <Number>1</Number>
        </ExampColl>
        <ExampColl Include="Item2">
            <Number>2</Number>
        </ExampColl>
        <ExampColl Include="Item3">
            <Number>3</Number>
        </ExampColl>
      
        <ExampColl Include="Item4">
            <Number>1</Number>
        </ExampColl>
        <ExampColl Include="Item5">
            <Number>2</Number>
        </ExampColl>
        <ExampColl Include="Item6">
            <Number>3</Number>
        </ExampColl>
    </ItemGroup>

    <Target Name="ShowMessage">
        <Message Text = "Number: %(ExampColl.Number) -- Items in ExampColl: @(ExampColl)"/>
    </Target>

</Project>

gistfile4.xsl

<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

  <ItemGroup>

    <ExampColl Include="Item1">
      <Number>1</Number>
    </ExampColl>
    <ExampColl Include="Item2">
      <Number>2</Number>
    </ExampColl>
    <ExampColl Include="Item3">
      <Number>3</Number>
    </ExampColl>

    <ExampColl2 Include="Item4">
      <Number>1</Number>
    </ExampColl2>
    <ExampColl2 Include="Item5">
      <Number>2</Number>
    </ExampColl2>
    <ExampColl2 Include="Item6">
      <Number>3</Number>
    </ExampColl2>

  </ItemGroup>

  <Target Name="ShowMessage">
    <Message
        Text = "Number: %(Number) -- Items in ExampColl: @(ExampColl) ExampColl2: @(ExampColl2)"/>
  </Target>

</Project>

gistfile5.xsl

<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

  <ItemGroup>
    <ExampColl Include="Item1"/>
    <ExampColl Include="Item2"/>
    <ExampColl Include="Item3"/>
    <ExampColl Include="Item4"/>
    <ExampColl Include="Item5"/>
    <ExampColl Include="Item6"/>
  </ItemGroup>

  <Target Name="ShowMessage">
    <Message Text = "Identity: &quot;%(Identity)&quot; -- Items in ExampColl: @(ExampColl)"/>
  </Target>

</Project>

gistfile6.xsl

<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

  <ItemGroup>
    <ExampColl Include="Item1">
      <Number>1</Number>
    </ExampColl>
    <ExampColl Include="Item2">
      <Number>2</Number>
    </ExampColl>
    <ExampColl Include="Item3">
      <Number>3</Number>
    </ExampColl>
    
    <ExampColl Include="Item4">
      <Number>1</Number>
    </ExampColl>
    <ExampColl Include="Item5">
      <Number>2</Number>
    </ExampColl>
    <ExampColl Include="Item6">
      <Number>3</Number>
    </ExampColl>
  </ItemGroup>

  <Target Name="Exec">
    <Message
        Text = "Items in ExampColl: @(ExampColl)"
        Condition="'%(Number)'=='2'"/>
  </Target>

</Project>

gistfile7.xsl

<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="PrintFooAndBar" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" >

  <ItemGroup>
    <Foo Include="foo1">
      <FooMetadata>1</FooMetadata>
    </Foo>
    <Foo Include="foo2">
      <FooMetadata>2</FooMetadata>
    </Foo>
  </ItemGroup>

  <ItemGroup>
    <Bar Include="bar1">
      <BarMetadata>a</BarMetadata>
    </Bar>
    <Bar Include="bar2">
      <BarMetadata>b</BarMetadata>
    </Bar>
  </ItemGroup>

  <Target Name="PrintFooAndBar">
    <!--
    foreach (Item foo in ItemGroup)
    {
        <Message Importance="high" Text="FooMetadata=" + foo.FooMetadata + ", BarMetadata=" />
    }

    foreach (Item bar in ItemGroup)
    {
        <Message Importance="high" Text="FooMetadata=, BarMetadata=" + bar.BarMetadata />
    }
    -->
    <Message Importance="high" Text="FooMetadata=%(Foo.FooMetadata), BarMetadata=%(Bar.BarMetadata)" />

  </Target>

</Project>

gistfile8.xsl

<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="PrintFoo" 
         xmlns="http://schemas.microsoft.com/developer/msbuild/2003" >

  <ItemGroup>
    <Foo Include="foo1">
      <FooMetadata>1</FooMetadata>
    </Foo>
    <Foo Include="foo2">
      <FooMetadata>2</FooMetadata>
    </Foo>
  </ItemGroup>

  <Target Name="PrintFoo">

    <!--
    foreach (Item foo in ItemGroup)
    {
        <Message Importance="high" Text="FooMetadata=" + foo.FooMetadata />
    }
    -->
    <Message Importance="high" Text="FooMetadata=%(Foo.FooMetadata)" />

  </Target>

</Project>

gistfile9.xsl

<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="PrintFooAndBar"
         xmlns="http://schemas.microsoft.com/developer/msbuild/2003" >

  <ItemGroup>
    <Foo Include="foo1">
      <FooMetadata>1</FooMetadata>
    </Foo>
    <Foo Include="foo2">
      <FooMetadata>2</FooMetadata>
    </Foo>
  </ItemGroup>

  <ItemGroup>
    <Bar Include="bar1">
      <BarMetadata>a</BarMetadata>
    </Bar>
    <Bar Include="bar2">
      <BarMetadata>b</BarMetadata>
    </Bar>
  </ItemGroup>

  <Target Name="PrintFooAndBar">
    <!-- Create a new list of Items that contain the cross product of Bar and Foo -->
    <CreateItem Include="@(Bar)"
                AdditionalMetadata="FooMetadata=%(Foo.FooMetadata)">
      <Output ItemName="InternalBar" TaskParameter="Include"/>
    </CreateItem>

    <!-- Print the contents of the new list -->
    <Message Importance="high"
             Text="FooMetadata=%(InternalBar.FooMetadata), BarMetadata=%(InternalBar.BarMetadata)" />
  </Target>
</Project>

MSBuild Batching 1.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- MSBuild Batching -->

<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <ItemGroup>
    <fruit Include="apple">
      <consistency>firm</consistency>
    </fruit>
    <fruit Include="orange">
      <consistency>pulpy</consistency>
    </fruit>
    <fruit Include="banana">
      <consistency>softish</consistency>
    </fruit>
    <fruit Include="pear">
      <consistency>unsound</consistency>
    </fruit>
    <fruit Include="apricot">
      <consistency>unsound</consistency>
    </fruit>
  </ItemGroup>

  <Target Name="Compost">
    <Message Text="%(fruit.identity)" Condition="%(consistency) == 'pulpy' or %(consistency) == 'unsound' "/>
  </Target>
</Project>