- Concat PDFs:
gs -o merged.pdf -sDEVICE=pdfwrite -dPDFSETTINGS=/prepress *.pdf - JPEG to PDF:
gm convert *.jpg file.pdf - Reduce PDF size:
gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dDownsampleColorImages=true -dColorImageResolution=60 -dNOPAUSE -dBATCH -sOutputFile=output.pdf file.pdf - Cut audio/video files:
- https://www.epifocal.net/blog/video-stabilization-with-ffmpeg
sudo aptitude install mpgtxmptsplit input.mp3 [00:00:20-00:00:58] -o output.mp3ls | grep mp3 | xargs -I{} -n1 echo "mpgsplit {} [0:35-] -o x{}"
- Convert DOCX to PDF:
libreoffice --headless --convert-to pdf *.docx