diff --git a/41_snapshots-btrfs b/41_snapshots-btrfs
index ab22278..6e92175 100644
--- a/41_snapshots-btrfs
+++ b/41_snapshots-btrfs
@@ -1,139 +1 @@
-#! /usr/bin/bash
-set -e
-
-. /usr/share/grub/grub-mkconfig_lib
-. /etc/default/grub
-
-######################################
-### variables in /etc/default/grub ###
-######################################
-## Submenu name
-submenuname=${GRUB_BTRFS_SUBMENUNAME:-"ArchLinux Snapshots"}
-## Prefix entry
-prefixentry=${GRUB_BTRFS_PREFIXENTRY:-"Snapshot"}
-## Kernel(s) name(s)
-nkernel=("${GRUB_BTRFS_NKERNEL[@]:-vmlinuz-linux}")
-## Initramfs name(s)
-ninit=("${GRUB_BTRFS_NINIT[@]:-initramfs-linux.img initramfs-linux-fallback.img}")
-## Intel-ucode name(s)
-intel_ucode=("${GRUB_BTRFS_INTEL_UCODE[@]:-intel-ucode.img}")
-
-########################
-### variables script ###
-########################
-## Internationalization (default : english)
-export TEXTDOMAIN=grub-btrfs-git
-export TEXTDOMAINDIR="/usr/share/locale"
-## fr: paramêtre des chaînes --hint
-## en: Parameter of the chains --hint (Translation unclear)
-pboot=$(${grub_probe} --target="hints_string" "/boot" 2>/dev/null)
-## UUID of the root partition
-uuid=$(${grub_probe} "/" --target="fs_uuid" 2>/dev/null)
-## UUID of the boot partition
-buuid=$(${grub_probe} --target="fs_uuid" "/boot" 2>/dev/null)
-## Parameters passed to the kernel
-params="$GRUB_CMDLINE_LINUX $GRUB_CMDLINE_LINUX_DEFAULT"
-
-##############
-### Script ###
-##############
-
-typeset -A date_time
-unset snapshots
-
-# Create list of filesystem snapshots
-oldIFS=$IFS
-IFS=$'\n'
-
-for snap in $($bindir/btrfs subvolume list -sa / --sort=-ogen | $bindir/awk '{gsub(/^.*<FS_TREE>\//,"",$NF);print $11" "$12"?"$NF}'); do
-        snap_name="${snap#*"?"}"
-        # Discard deleted snapshots
-        if [ $snap_name = "DELETED" ]; then continue; fi
-        snapshots+=("$snap_name")
-        date_time[$snap_name]="${snap%"?"*}"
-done
-IFS=$oldIFS
-
-# fr: on affiche le menu
-# en: Display the menu
-echo "submenu '$submenuname' {"
-
-# fr: on traite la variable kernel
-# en: Treat the kernel variables (Translation unclear)
-for kernel in ${nkernel[@]}; do
-	# fr: on test si le(s) nom(s) du(des) kernel existe(nt), autrement on affiche une erreur et on sort
-	# en: Check the specified kernel(s) exist, if it/they don't, display an error and exit
-	if [ ! -f /boot/$kernel ]; then gettext_printf $"Error: /boot/$kernel, kernel does not exist" >&2; exit 1; fi
-	# fr: on vérifie le nombre de kernel présent, si >1 on crée un menu
-	# en: If there are >1 kernels, create a menu
-	if [ ${#nkernel[*]} != 1 ]; then echo "	submenu '$kernel' {
-		submenu '---> Kernel: $kernel <---' { echo }"; fi
-	# fr: On traite la variable snapshots
-	# en: Treat the snapshots variable
-	for item in ${snapshots[@]}; do
-		# fr: affiche la liste des snapshots trouvés
-		# en: Output name of snapshot
-		gettext_printf $"Found Snapshot: %s\n" "$item ${date_time[$item]}" >&2
-		# fr: on crée un menu pour chaque snapshot présent (nom + date de création)
-		# en: Create a menu for remaining snapshots (name + creation date)
-		echo "		submenu '$prefixentry $item [${date_time[$item]}]' {"
-		# fr: si plusieurs kernel on été trouvé, on affiche un titre indicatif
-		# en: if more than one kernel is found, create a menu
-		if [ ${#nkernel[*]} != 1 ]; then echo "			submenu '---> Kernel: $kernel <---' { echo }"; fi
-		# fr: on traite la variable de l'initramfs
-		# en: Treat the initramfs variables (Translation unclear)
-		for init in ${ninit[@]}; do
-			# fr: on test si le(s) nom(s) du(des) initramfs existe(nt), autrement on affiche une erreur et on sort
-			# en: Check the specified initramfs(es) exist, if it/they don't, display an error and exit
-			if [ ! -f /boot/$init ]; then gettext_printf $"Error: /boot/$init, initramfs does not exist" >&2; exit 1; fi
-			# fr: on traite chaque entrée des snapshots avec leurs kernel et initramfs respectifs
-			# en: Specify a kernel and initramfs for every snapshot
-			echo "\
-			menuentry '$item $init' --class arch --class gnu-linux --class gnu --class os "\$menuentry_id_option" 'gnulinux-snapshots-$uuid'{
-				load_video
-				set gfxpayload=$GRUB_GFXPAYLOAD_LINUX
-				if [ x"\$feature_platform_search_hint" = xy ]; then
-					search --no-floppy --fs-uuid --set=root $pboot $buuid
-				else
-					search --no-floppy --fs-uuid --set=root $buuid
-				fi
-				echo	'Loading Linux snapshot ...'"
-				# fr: on vérifie l'emplacement de la partition /boot
-				# en: Check the location of the /boot partition
-				if [ $uuid = $buuid ]; then
-					echo "\
-				linux	/$item/boot/$kernel root=UUID=$uuid rw rootflags=subvol=$item $params
-				echo    'Loading initial ramdisk ...'"
-				# fr: on vérifie la présence du microcode intel
-				# en: Check intel microcode exist
-					if [ -f /boot/$intel_ucode ]; then
-						echo "\
-				initrd	/$item/boot/$intel_ucode /$item/boot/$init"
-					else
-						echo "\
-				initrd	/$item/boot/$init"
-					fi
-				else
-					echo "\
-				linux	/$kernel root=UUID=$uuid rw rootflags=subvol=$item $params
-				echo    'Loading initial ramdisk ...'"
-				# fr: on vérifie la présence du microcode intel
-				# en: Check intel microcode exist
-				if [ -f /boot/$intel_ucode ]; then
-						echo "\
-				initrd	/$intel_ucode /$init"
-					else
-						echo "\
-				initrd  /$init"
-					fi
-				fi
-				echo "\
-			}"
-		done
-		echo "		}"
-	done
-	# fr: on oubli pas de fermer le menu si plusieurs kernels ont été trouvé
-	# en: Don't forget to close menus if more than one kernel is found
-	if [ ${#nkernel[*]} != 1 ]; then echo "	}"; fi
-done
-echo "}"
\ No newline at end of file
+in progress ...