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| -rw-r--r-- | README.md | 23 |
1 files changed, 12 insertions, 11 deletions
@@ -10,31 +10,32 @@ https://github.com/user-attachments/assets/c7fe58c1-ff76-41bf-977b-870247a6a3e2 ## what it does - merges multiple .pptx files into one -- preserves visual formatting by rendering slides and rebuilding a new deck +- preserves full editability, with 99% fidelity to the original formatting (some minor quirks may occur) +- copies slide masters, layouts, themes, notes, and embedded media - `pandoc`-style usage: `kjandoc input1.pptx input2.pptx -o combined.pptx` ## why this exists -`pandoc` is great, but it can't concatenate `.pptx` files. +`pandoc` is great, but it can't concatenate `.pptx` files. -this uses a headless libreoffice + pdf -> png rendering to get a merge with most formatting preserved. +this works directly at the OOXML/ZIP level: it reads each `.pptx` as a ZIP archive, rewires all internal XML relationships, and writes a new near full Microsoft-compliant `.pptx`. -the tradeoff is the output slides are images (not editable shapes). +a final LibreOffice normalization pass cleans up any lingering structural quirks to prevent PowerPoint repair prompts (not guaranteed though). ## usage ```bash # pandoc-style usage ./kjandoc input1.pptx input2.pptx -o combined.pptx -# tweak quality -./kjandoc input1.pptx input2.pptx -o combined.pptx --dpi 150 +# merge more than two +./kjandoc a.pptx b.pptx c.pptx -o combined.pptx ``` ## deps - python3 -- libreoffice -- poppler (pdftoppm) -- python deps in requirements.txt +- libreoffice (for the normalization pass) +- python deps in requirements.txt (`lxml`) ## notes -- output size is larger (images) -- visuals stay intact for the most part +- output slides are fully editable +- masters and layouts from all source files are carried over +- duplicate media files are deduplicated automatically |