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

CsvJoin.SqlGenerator.exe Data sales.csv new_sales.csv > SQLQuery.sql

CsvJoin.exe SQLQuery.sql Data > joined_sales.csv

• Execute SQL against CSV files
• Save auto-generated SQL
• Save results to CSV

• Microsoft Access Database Engine 2016 Redistributable
• .NET Core 3.1
• Visual Studio 2022

• src\CsvJoin.sln > Build > Build Solution

• CsvJoin.SqlGenerator.exe Data sales.csv new_sales.csv > SQLQuery.sql
• Verify that the generated file (SQLQuery.sql) does not contain SQL injection
• CsvJoin.exe SqlQuery.sql Data > joined_sales.csv

• Microsoft.Extensions.DependencyInjection by https://www.nuget.org/packages/Microsoft.Extensions.DependencyInjection (MIT license)
• System.Data.OleDb by https://www.nuget.org/packages/System.Data.OleDb (MIT license)
• ServiceStack.Text by https://www.nuget.org/packages/ServiceStack.Text (license)