Michael • 12/12/2025

Parse Codex `jsonl` with `jq`

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This technical article explains how to locate and parse the JSONL session files generated by ChatGPT Codex, which store interaction data. It provides a specific `jq` command to filter and extract only the user messages (type: user_message) from these files, useful for developers analyzing their Codex usage or building tools around it.

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#Data Parsing #Jq #Jsonl
Parse Codex `jsonl` with `jq`

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