MsBuild WriteLinesToFile Task on multiple files

msbuild

Solution

You can use batching : try

<ItemGroup>
  <AssemblyInfoFiles Include="$(SolutionRoot)\**\*assemblyinfo.cs" />
</ItemGroup>
<WriteLinesToFile
        File="%(AssemblyInfoFiles.FullPath)"
        Lines="AssemblyInformationalVersion(&quot;$(LabelName)&quot;)]"
        Overwrite="false"/>

Hope it helps !

Problem

I have the following in a AfterGet target in TFS. ``` <ItemGroup> <AssemblyInfoFiles Include="$(SolutionRoot)\**\*assemblyinfo.cs" /> </ItemGroup> <WriteLinesToFile File="@(AssemblyInfoFiles)" Lines="AssemblyInformationalVersion(&quot;$(LabelName)&quot;)]" Overwrite="false"/> ``` The ItemGroup includes multiple files, but the WriteLinesToFile only expects a single file. And logs the following error: error MSB4094: "XXXX;YYYY;ZZZZ" is an invalid value for the "File" parameter of the "WriteLinesToFile" task. Multiple items cannot be passed into a parameter of type "Microsoft.Build.Framework.ITaskItem". How do I pass each item from the ItemGroup into the WriteLinesToFile Task?

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