reflow_paper.sh

words="$(echo | k2pdfopt nickel2016.pdf -h 20000 -w 1200 -pl 100 -pr 100 | grep -Eo "[0-9]* words" | grep -Eo "[0-9]*")"
let "reading_time = $words * 1.1 / 275"                               
reading_mins="$(printf "%.0f" $reading_time)"
if [[ $reading_mins -le 60 ]]; then                            
	echo "approx reading time: $reading_mins mins"
else                                        
	let "hours = $reading_mins / 60"
	let "mins = $reading_mins % 60"
	echo "approx reading time: $hours h $mins mins"
fi