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On September 18th, a netizen posted a snippet of Python code online, asserting that it could delete duplicate files stored in WeChat, thereby achieving "deduplication and slimming" of the app's storage. However, WeChat staff member @Kecun Xiaojiang promptly responded, cautioning against this approach. He emphasized that such a method is not only ineffective but could also lead to messages becoming unreadable or files being inadvertently deleted.
@Kecun Xiaojiang further elucidated that WeChat employs hard link technology for files that are forwarded multiple times. This means that, in reality, only one copy of the file is stored, despite multiple forwards. The files displayed on a user's computer with suffixes like (1), (2), etc., are merely for the purpose of avoiding naming conflicts and do not indicate that multiple copies of the file are actually being stored.
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