apt-get -y install opendkim
-if [ -n $file ] || [ ! -f $file ]; then
+if [ ! -n "$file" ] || [ ! -f "$file" ]; then
apt-get -y install opendkim-tools
opendkim-genkey -d plomlompom.com -s $selector
- apt-get --purge autoremove opendkim-tools
+ apt-get -y --purge autoremove opendkim-tools
set +x
echo
echo 'Generated key file at '$selector'.private.'