Project note
Batch Word Revisions
A narrow document-maintenance task that becomes more complicated when the same change must be made safely across many Word files.
Context
A folder of Microsoft Word documents needed the same wording change. Editing one document at a time was straightforward, but the volume made the work slow and increased the chance of omissions or inconsistent replacements.
Approach
I used Codex to build a small front end with two fields: the text to find and its approved replacement. The utility applies that pair across a selected folder while working through the XML parts that make up each .docx file, rather than treating the document as a single plain-text file.
What happened
The result is a focused tool for carrying out one defined kind of revision across a controlled group of documents. It reduced repetitive editing while keeping the replacement instruction explicit and reviewable.
Working with AI
AI was used to develop the application, not as part of the application's runtime behavior. The useful work was translating a familiar manual task into requirements for safe bulk processing, then reviewing how the implementation handled the document structures that ordinary text replacement can miss.
Key details
- The interface asks for the text to find and the text that should replace it.
- The work is designed for a folder of Word documents rather than one file at a time.
- The implementation needs to account for Word's XML-based document structure, not only visible text.
Tools and method
Microsoft Word .docx files are ZIP packages containing XML parts, and visible text can be split across several of those parts. The application exposes a simple replacement interface while the document-processing logic accounts for that packaged structure.
Lessons learned
A simple request often needs a more exact technical model before it can be automated safely. Replacing text in a folder is not difficult in principle, but preserving Word content means understanding where the text can appear and checking that a change does not disturb the document around it.
Limitations
The utility is intended for a known replacement across a controlled set of documents. It is not a general-purpose document editor, and unusual document content should still be reviewed after a bulk change.
Next step
Use the same pattern for other bounded document-maintenance tasks, with a clear preview or review step where the change carries more risk.