Contains methods to add zip entries, generate a zipped archive, and return the result as an Apex blob. Salesforce Developers
: Before opening, run the file through an antivirus scanner. In development environments, malicious scripts can be embedded in compressed blobs. Extraction Methods :
How to Manage Files in Salesforce With ZipWriter and ZipReader
: If the file fails to unzip, it may have been created using the "STORED" method (no compression) but is being read as "DEFLATED".
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