CSV Join LINQ

A command-line tool for performing left outer joins on CSV files in C# .NET Core using LINQ:

CsvJoin.exe Data sales.csv new_sales.csv > joined_sales.csv

Features:

• Execute LINQ against CSV files
• Generate C# models and LINQ by using T4 Text Templates
• Save results to CSV

Prerequisites:

• .NET Core 3.1
• Visual Studio 2022

Build and run:

VS:

• src\CsvJoin.sln > Build > Transform All T4 Templates
• Verify that the generated files (src\CsvJoin\Models\Csv1.cs, src\CsvJoin\Models\Csv2.cs and src\CsvJoin\Services\LinqPreparator.cs) do not contain code injection
• F5

Acknowledgements:

• Microsoft.Extensions.DependencyInjection by https://www.nuget.org/packages/Microsoft.Extensions.DependencyInjection (MIT license)
• System.Linq by .NET Core (MIT License)
• ServiceStack.Text by https://www.nuget.org/packages/ServiceStack.Text (license)