Nix environment and scripts around my PDF operations. Create PDF from images and apply OCR.
Mostly personal use for now.
Assume there are some images in your directory
cd 'dir_having_images'
nix develop 'github:kachick/pdf-workspace'
pngquant --skip-if-larger --force --ext .png "img1.png" "img2.png"
imgs2pdf "img_dir" png jpn