Determine ACSII code for a character
printf "%d\n" "'-" #(standard dash)
printf "%d\n" "'–" #(em dash)
return random 3000 lines from a text file
awk 'BEGIN {srand()} {print rand() " " $0}' file8000.txt
| sort
| tail -3000
| sed 's/[^ ]* //'
>file3000.txt