correction de la fonction

install_in.sh

@@ -11,12 +11,12 @@ echo "
 check_installed_packages() {
     packages=$@
     for package in $packages; do
-        if dpkg-query -W -f='${Status}' xorriso 2>/dev/null | grep -q "install ok installed"; then
-            echo "$packages est déjà installé."
+        if dpkg-query -W -f='${Status}' $package 2>/dev/null | grep -q "install ok installed"; then
+            echo "$package est déjà installé."
         else
-            echo "Installation de $packages"
+            echo "Installation de $package"
             sudo apt-get update
-            sudo apt-get install -y $packages
+            sudo apt-get install -y $package
         fi
     done
 }