#!/bin/bash
echo "[essai] Current directory :"
if [ $# = 0 ]
then
	echo 'No argument !!!'
elif [ $# = 1 ]
then
	echo "Good thing : $1"
else
	echo "Many things : $1, and $2"
fi
# Number process
if [ $1 -lt 21 ]
then
	echo "Tiny number"
elif [ $1 -eq 21 ]
then
	echo "Perfect !"
else
	echo "Pretty big."
fi
echo '[essai] End of script.'