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diff --git a/docker/container.backup.all b/docker/container.backup.all
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+#!/bin/sh
+
+# Purpose {{{
+## Ask to backup data of all Docker containers with a second script.
+# }}}
+# How-to use {{{
+## 1. Needs container.backup script, in the same directory
+## cf. https://git.ipr.univ-rennes1.fr/cellinfo/scripts/src/master/docker/container.backup
+# wget https://git.ipr.univ-rennes1.fr/cellinfo/scripts/src/master/docker/container.backup
+## First argument should be the path to store the backup.
+## Second argument can be the absolut path to the Docker directory for containers.
+# }}}
+
+# Vars {{{
+DEBUG=0
+
+script_wd=$(dirname "${0}")
+
+## Manage arguments {{{
+## Expect at least 1 argument and 2 maximum
+case $# in
+	1 )
+		## Absolut path to store the archives.
+		## A sub-directory will be created for each container
+		docker_backup_path="${1}"
+		## Absolut path to Docker containers
+		docker_ct_path="/srv/dock"
+		;;
+	2 )
+		docker_backup_path="${1}"
+		docker_ct_path="${2}"
+		;;
+	* )
+		cat << HELP
+
+container.backup.all  --
+Backup all data of all Docker's containers.
+
+EXAMPLE :
+    - Backup all data of default Docker path (/srv/dock) to /media/usb/docker.backup
+        container.backup.all /media/usb/docker.backup
+    - Choose a specific path where containers are stored
+        container.backup.all /media/usb/docker.backup /my/path/to/docker
+
+HELP
+
+		exit 1
+		;;
+esac
+## }}}
+
+temp_ct_list_file="/tmp/container.list"
+
+# }}}
+
+# Tests {{{
+
+## Ensure backup directory exists {{{
+if [ ! -d "${docker_backup_path}" ]; then
+	printf '\e[0;31m%-6s\e[m\n' "Backup directory doesn't seems available : ${docker_backup_path} ."
+	exit 1
+else
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Test arg  — Path to store the backup : ${docker_backup_path} ."
+fi
+## }}}
+## Ensure Docker directory exists {{{
+if [ ! -d "${docker_ct_path}" ]; then
+	printf '\e[0;31m%-6s\e[m\n' "Docker data directory doesn't seems available : ${docker_ct_path} ."
+	exit 1
+else
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Test arg  — Path to Docker data : ${docker_ct_path} ."
+fi
+## }}}
+# }}}
+
+# Get the list of containers name to backup
+find "${docker_ct_path}" -mindepth 1 -maxdepth 1 -type d > "${temp_ct_list_file}"
+
+# For each container in the list
+while IFS= read -r ct_path
+do
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : While loop  — The data of ${ct_path} container will be backup."
+	"${script_wd}/container.backup" "${ct_path}" "${docker_backup_path}"
+done < "${temp_ct_list_file}"
+
+# Clean temp file
+rm -f -- "${temp_ct_list_file}"
+# }}}
+
+exit 0