#!/bin/bash
TIME=`date +%F_%H-%M`
FILENAME=backup-$TIME.tar.gz
SRCDIR="~/PI/tutos/* ~/scripts/*"
DESTDIR=/media/sf_ubuntuSharedFolder/backups
tar cvpzf $FILENAME $SRCDIR

alex@ALeX-VirtualBox:~$ save
tar: ~/PI/tutos/*: Cannot stat: No such file or directory
tar: ~/scripts/*: Cannot stat: No such file or directory