Unzip files using dotnet

I recommend it. Until now, I was using cmd processes in order to extract an. Recently I've found that this is working perfectly with. For a iso like 29Gb this method gets stuck somehow.

Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Unzip files programmatically in. Asked 12 years, 8 months ago. Active 2 months ago. Viewed k times. I am trying to programatically unzip a zipped file. NET, but when my app runs actually a unit test I get this exception: System.

So, how do I get my app to extract the files in the zipped files? Petteri Petteri 2, 2 2 gold badges 15 15 silver badges 7 7 bronze badges. Your security department is happier with you writing your own code for something than using a library that has been debugged and looked at by presumably many eyes? You can use a library AND "do it in code" get the source and compile it yourself but I see reinventing the wheel as a bigger problem than any security issues brought about by using a tried and true library.

Jared - When management gets an idea in their head There is less risk for security department if you get a third party product. Just download dotnetzip and rename it "[insert company name]. Add a comment. Active Oldest Votes. NET 4. NET framework: using System; using System. LCJ Which means that you need to add a DLL reference to the framework assembly System. I tried this in my asp. Any though on this? Aidan that's good to know, though, it would be a good recommendation to not use.

Where it isn't, this is helpful. Show 3 more comments. Net 4. ExtractToFile Path. Combine destination, entry. David 3 3 silver badges 10 10 bronze badges. Mister Epic Mister Epic Did it really take MSFT until 4.

JohnPeters GZipStream was added back in. Net 2. However, it didn't make it easy to work with multiple files in an archive in memory. The new ZipArchive object fits the bill nicely.

This is a particularly good alternative because it allows unzipping without using the file-system in my case I am working with embedded resources , and it's also not a third-party extension.

FileSystem', any Idea? Show 5 more comments. Chris Conway Chris Conway I tried using SharpZipLib and it worked fine. I guess I'll have to see if the prohibition against third party libs and apss is a strict rule or more of a guidline. I don't know about your company, but my experience has always been that it's possible to get an exception to that sort of rule if you write up a business case description of why you want the exception.

Point out the cost savings v. DIY, as well as the fact that the source can be examined. As a fallback, you can often get permission to use the source even if they won't let you use the dll--then just compile it yourself or at least the parts you actually need to use You don't have to use external libraries to uncompress zip files, you could use Shell32 from System Please see stackoverflow.

Code example : stackoverflow. Apolo 3, 1 1 gold badge 17 17 silver badges 45 45 bronze badges. Lukas Lukas 2, 2 2 gold badges 27 27 silver badges 30 30 bronze badges. Spoke too soon! I want to inflate the files from an http download stream instantly. This does not work since it is using Seek operations on the stream : Well, thanks to the source code I can write my own ZipStream now Sam Axe Sam Axe But that's a third party library! How very observant of you. Unless you feel like spending several months implemening your own Zip file reader, its your best option.

This one is way better than SharpZipLib — Kugel. Microsoft makes no warranties, express or implied, with respect to the information provided here. The methods for manipulating zip archives and their file entries are spread across three classes: ZipFile , ZipArchive , and ZipArchiveEntry. When you create a new entry, the file is compressed and added to the zip package.

The CreateEntry method enables you to specify a directory hierarchy when adding the entry. You include the relative path of the new entry within the zip package. If you reference the System. NET Core 2. These extension methods enable you to compress and decompress the contents of the entry to a file. The System. FileSystem assembly is not available for Windows 8. In Windows 8.

The following example shows how to open a zip archive and iterate through the collection of entries. The third example shows how to use extension methods to create a new entry in a zip archive from an existing file and extract the archive contents. You must reference the System. FileSystem assembly to execute the code. Initializes a new instance of the ZipArchive class from the specified stream. Initializes a new instance of the ZipArchive class from the specified stream and with the specified mode.

Initializes a new instance of the ZipArchive class on the specified stream for the specified mode, and optionally leaves the stream open.

Zip File Class Reference Is this page helpful? Please rate your experience Yes No. Any additional feedback? Namespace: System. Compression Assembly: System. Provides static methods for creating, extracting, and opening zip archives. Note To use the ZipFile class in a. In this article. CreateFromDirectory String, String. Creates a zip archive that contains the files and directories from the specified directory.

ExtractToDirectory String, String.