Le Hollandais Volant

# having a bunch of .jpg files in a certain order
# having a list.txt file with matching names for 
#  the jpg.
# this commande reads the list.txt and matches
#  each nth line of the file to the nth file in 
#  the list, and renames them.

for file in *.jpg; do read line; mv $file "$line"; done < list.txt

#!/bin/bash
# for ((i=0;i<100;i++)); do ( echo $i >>out.txt ); done;
cat ./liste.txt | shuf | head -n 10 > new_liste.txt