find . -exec cat {} \; |sort|uniq|tr '*' '    ' > ../liste

find . -type f -exec cat {} \; | awk -F'*' '{ print $2 }' | sort|uniq > ../types

head
tail
tr
paste
cut
column
colrm

comm
join
lam

code_client montant_commande numéro_commande

nom_client code_client

sort
head
tail
join
[tr]
[cut]
[column -t]
wc