How Can I Reliably Create 7-Zip Archives Using .NET?

Creating 7-Zip Archives with .NET: An Explorative Journey

The task of crafting 7-Zip archives from within a C# console application poses an intriguing challenge, one that necessitates a solution compliant with the widely-used 7-Zip extraction utility.

Various approaches have been proffered, each with its own merits and drawbacks. The "shelling out" technique, utilizing the 7z.exe command-line tool, remains the most straightforward and reliable option. Its simplicity and efficacy have been attested by our own experimentation. However, it does rely on the availability of 7z.exe on target machines.

Moving beyond shelling out, we encountered several other options:

• 7Zip in-memory compression: This method aims to compress data within the application's memory before sending it. While promising initially, the resultant byte arrays proved incompatible with 7-Zip extraction.
• 7zSharp Wrapper: This library wraps 7z's functionality into a managed code interface. Yet, despite successfully creating archives, these could not be extracted using the standard 7-Zip utility.
• 7Zip SDK (LZMA SDK): This official SDK offers a comprehensive interface to 7-Zip's capabilities. However, its intricate documentation requires a deeper understanding to master its use.
• CodeProject C# Interface: This component focuses solely on extracting archives, failing to meet our requirement for archive creation.

After exploring these various avenues, our recommendation falls upon the 7Zip SDK (LZMA SDK). Its official status and comprehensive capabilities make it the most promising option for reliably creating 7-Zip archives compliant with the popular extraction tool.

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