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Dev community warns ZIP downloads are not reliable proof of batch job completion

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A technical article on DEV Community explains that receiving a ZIP file after a browser-based batch operation does not confirm all tasks finished successfully. The author details how duplicate filenames or silent failures can lead to incomplete results despite a seemingly successful download. To address this, they propose a design for a verifiable export process with clear, separate completion stages like conversion, packaging, and delivery. The design includes assigning unique IDs to each input item to track results accurately, independent of filenames. This approach aims to prevent the user experience of an incomplete final archive.

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Dev community warns ZIP downloads are not reliable proof of batch job completion · ShortSingh