Request: Example for working with Zip files
    Unknown W. Brackets 
    unknown at simplemachines.org
       
    Thu Apr 10 19:59:33 PDT 2008
    
    
  
Zip files are pretty easy to work with.  You can find the spec on a site 
like wotsit.org.
Decompressing/recompressing is most likely necessary (although it can be 
done in memory.)  Obviously writing to a temporary directory is 
non-ideal.  Most likely you would read the central directory out of the 
archive, cache changes to that and new files, and then write out a new 
zip file from that.
Working with it in-memory is also possible but would cost more for big 
archives.
-[Unknown]
Tyro[a.c.edwards] wrote:
> I have a zip file of multiple zipfiles each containing files, folders, and other zip files. I need to tunnel into the individual files buried in all subarchives and folders in order to edit/insert/remove information. Ultimately I'd like to do the work directly inside the zip file without having to decompressing and recompressing the files. Request a demonstration of how to accomplish this.
> 
> Any assistance, tango or phobos, is greatly appreciated.
> 
> Andrew
    
    
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