jq is the go-to command-line tool to manipulate JSON data. To share data collected through a REST API by email, I regularly have to convert JSON to tables, usually formatted in Excel. jq can help...

Convert and split the pdf file to image files (on my system, Imagemagick is called with the convert command): $ convert -density 100 input_file.pdf -quality 90 page.jpg $ ls input_file.pdf page-0....