test if an MSBuild property is defined?

There exists common method for overriding properties. Sample from C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets <PropertyGroup> <TargetFrameworkIdentifier Condition=”‘$(TargetFrameworkIdentifier)’ == ””>.NETFramework</TargetFrameworkIdentifier> <TargetFrameworkVersion Condition=” ‘$(TargetFrameworkVersion)’ == ” “>v4.0</TargetFrameworkVersion> </PropertyGroup> If you will try to get value from $(NeverDefinedProperty) you just get an empty string. Can you describe the problem you want to solve?

how to replace string in file using msbuild?

This is no longer required… you can now inject C# into the project/build file… Define a custom task and parameters as follows: <UsingTask TaskName=”ReplaceFileText” TaskFactory=”CodeTaskFactory” AssemblyFile=”$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll”> <ParameterGroup> <InputFilename ParameterType=”System.String” Required=”true” /> <OutputFilename ParameterType=”System.String” Required=”true” /> <MatchExpression ParameterType=”System.String” Required=”true” /> <ReplacementText ParameterType=”System.String” Required=”true” /> </ParameterGroup> <Task> <Reference Include=”System.Core” /> <Using Namespace=”System” /> <Using Namespace=”System.IO” /> <Using … Read more

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