Changed the sudo part and other minor fixes. Also updated README file.

Author: spithash

README.md

@@ -11,7 +11,8 @@ On Debian this should do: **sudo apt install pv gzip**
 
 # MySQL/MariaDB
 The script will ask for mysql user and password confirmation each time you dump a database.
-If this bothers you, then you should create a .my.cnf file. 
+If this bothers you, then you should create a .my.cnf file (see below) and **also** you should remove "-u root -p" from the mysql commands to avoid trying to connect as root if ***you don't have to***.
+
 ## .my.cnf – mysql user & password
 Create file ~/.my.cnf and add following lines in it and replace mysqluser & mysqlpass values.
 ```

fullsysbackup.sh

@@ -2,10 +2,10 @@
 
 ###### Configuration ######
 
-# Enter the backup location - Where should we save our files?
+# Enter the backup location - Where should we save our files? (You should change this)
 backuplocation="/home/user/fullsysbackup"
 
-# Enter full paths of folders to include in our backup archive.
+# Enter full paths of folders to include in our backup archive. (You should change these)
 backuppaths=(
   /home/user 
   /root 
@@ -18,10 +18,10 @@ backuppaths=(
 ###### End Of Configuration ######
 
 # sudo is required
-if [[ $UID != 0 ]]; then
-  printf "Permission Denied: run this script with sudo privileges. You will also be promped to enter mysql credentials unless you have a .my.cnf file in place. See README.md\n"
-    printf "sudo $0 $*"
-    exit 1
+printf "\e[1mThis script needs sudo privileges. You will also be promped to enter mysql credentials for each database you export unless you have a .my.cnf file in place. See README.md\e[0m\n"
+if [ $EUID != 0 ]; then
+    sudo "$0" "$@"
+    exit $?
 fi
 
 printf "%b" "\e[1mChecking for required package: pv\e[0m\n"