From d7504fed0ebc29ca1dfc169747adac396cac89a0 Mon Sep 17 00:00:00 2001
From: Thomas Constans <thomas@opendoor.fr>
Date: Fri, 20 May 2022 11:09:43 +0200
Subject: [PATCH] instructions

---
 Readme.md |  6 ++++++
 backup.sh | 23 +++++++++++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 Readme.md
 create mode 100644 backup.sh

diff --git a/Readme.md b/Readme.md
new file mode 100644
index 0000000..482cc25
--- /dev/null
+++ b/Readme.md
@@ -0,0 +1,6 @@
+
+ecrire une fonction log qui prend un message en paramètres
+
+et qui écrit ce message préfixé de la date et heure
+
+dans un fichier /tmp/nomduscript.log
\ No newline at end of file
diff --git a/backup.sh b/backup.sh
new file mode 100644
index 0000000..f249592
--- /dev/null
+++ b/backup.sh
@@ -0,0 +1,23 @@
+#! /bin/bash
+
+
+set -eu
+IFS=$'\n\t'
+
+[ $UID -eq 0 ] || { echo "need to be root" ; exit 1 ; }
+
+if [ $# -lt 1 ] ; then
+  echo "missing dir list"
+  exit 1
+fi
+
+bdir=/var/run/backup_$(date -I)
+
+mkdir -p $bdir || exit 2
+
+for dir in "$@" ; do
+  test -d $dir || { echo $dir dont exists ; continue ; }
+  dirname=$(basename $dir)
+  tar -cpzf ${bdir}/${dirname}.tgz $dir
+  echo $? > /run/${dirname}.status
+done
\ No newline at end of file