Geekslides: from pptx to pngs

sudo apt-get install libreoffice-impress
sudo apt-get install -y poppler-utils

#!/bin/bash

for file in *.pptx; do
    filename=${file%.*}
    echo Processing $file.
    mkdir "$filename"
    libreoffice --headless --convert-to pdf $file  --outdir $filename/
    pdftoppm -r 150 -png $filename/$filename.pdf $filename/Slide
done