+function check_if_user_exists(){
+
+ local user_id=$1;
+
+ if [ -z "$user_id" ]; then
+ echo "Needs to provide at least one argument for check_if_user_exists func";
+ exit 1;
+ fi;
+
+ id -u ${user_id} > /dev/null 2>&1 && {
+ echo "1";
+ } || {
+ echo "0";
+ }
+}
+