Push improvements form the PQB work

_home/dot_sz.shrc.d/01_util.functions

@@ -1,3 +1,7 @@
+warn() {
+  (>&2 printf '\E[34mWARNING:\E[0m %s\n' "$@" )
+}
+
 error() {
   (>&2 printf '\E[31mERROR:\E[0m %s\n' "$@" )
 }
@@ -9,6 +13,13 @@ require_root() {
   fi
 }
 
+recommend_root() {
+  if [[ $EUID -ne 0 ]]; then
+    warn "This script works better using sudo or as the root user"
+    return 3
+  fi
+}
+
 function setacl() {
     if [[ $# -lt 4 ]]; then
         error "setacl missing arguments, called with '$1' ${@:2}"