checks corrections and improvement, display improvement

modules/install_pkg.sh

@@ -1,6 +1,6 @@
 # Installation des paquets
 
-export VER_install_pkg="0.0.1"
+export VER_install_pkg="0.0.2"
 
 install_pkg()
 {
@@ -11,7 +11,11 @@ install_pkg()
 
 precheck_install_pkg()
 {
-    [[ ! $PKGSEL ]] && prnt W "Pas de paquet additionel à installer !"
+    if [[ -z $PKGSEL ]]; then
+	prnt W "Pas de paquet additionel à installer !"
+    else
+	prnt I "$(echo $PKGSEL | wc -w) paquets additionels seront installés"
+    fi
 }
 
 export -f install_pkg