M .rc → .rc

@@ -27,12 +27,7 @@ ;;
     esac
 }
 
-# yep still needed
-if ls --version 2>&1 | grep -i gnu > /dev/null
-then
-    alias ls='ls --color=auto '
-elif ls --version 2>&1 | grep -i busybox > /dev/null
-then
+if ls --version 2>&1 | grep -iE "gnu|busybox" > /dev/null; then
     alias ls='ls --color=auto '
 fi