Delete Files in a ZIP Archive in C# .NET

readme.md

Learn how to delete files and folders in ZIP archives in C#: https://blog.aspose.com/2022/01/11/delete-files-in-zip-archive-csharp-net/

delete-file-in-zip-archive-entry.cs

// Load the ZIP archive
using (var archive = new Archive("Archives/archive.zip"))
{
    // List to keep files to be deleted
    List<ArchiveEntry> entriesToDelete = new List<ArchiveEntry>();

    // Loop through ZIP entries
    foreach(ArchiveEntry entry in archive.Entries)
    {
        // Add file/folder into list
        if(entry.Name.ToLower().Contains("source"))
        {
            entriesToDelete.Add(entry);
        }
    } 

    // Delete all listed entries
    foreach(var entry in entriesToDelete)
    {
        archive.DeleteEntry(entry);
    }

    // Save updated archive
    archive.Save("Archives/updated-archive.zip");
}

delete-file-in-zip-index.cs

// Load the ZIP archive
using (var archive = new Archive("Archives/archive.zip"))
{
    // Delete file by its index
    archive.DeleteEntry(0);

    // Save updated archive
    archive.Save("Archives/updated-archive.zip");
}