How to create Uncompressed Zip archive in Java

I’m leery of aperkins solution (since deleted), but I know why it worked. The line (which has since been corrected in his answer) zipOut.setLevel(ZipOutputStream.STORED); // accidentally right was using the static value ZipOutputStream.STORED, which coincidentally equals 0. So what that line is doing is setting the level used by the default DEFLATED method to zero … Read more

How to unzip a file with Python 2.4?

You have to use namelist() and extract(). Sample considering directories import zipfile import os.path import os zfile = zipfile.ZipFile(“test.zip”) for name in zfile.namelist(): (dirname, filename) = os.path.split(name) print “Decompressing ” + filename + ” on ” + dirname if not os.path.exists(dirname): os.makedirs(dirname) zfile.extract(name, dirname)

How do I add files to an existing zip archive

Since you are in .NET 4.5, you can use the ZipArchive (System.IO.Compression) class to achieve this. Here is the MSDN documentation: (MSDN). Here is their example, it just writes text, but you could read in a .csv file and write it out to your new file. To just copy the file in, you would use … Read more

Unzip Archive with Groovy

Maybe Groovy doesn’t have ‘native’ support for zip files, but it is still pretty trivial to work with them. I’m working with zip files and the following is some of the logic I’m using: def zipFile = new java.util.zip.ZipFile(new File(‘some.zip’)) zipFile.entries().each { println zipFile.getInputStream(it).text } You can add additional logic using a findAll method: def … Read more