Announce sdup (from minions) replacing lrep() and prep()

dotfiles/config/bashum/main.bashrc

@@ -155,6 +155,7 @@ lrep() {
     #
     # Print each line on STDIN $1 times
     #
+    echo >&2 "use sdup -l instead!"
     local rep=${1:-1}; shift
     local line
     local n
@@ -172,6 +173,7 @@ prep() {
     #
     # Print STDIN $1 times
     #
+    echo >&2 "use sdup instead!"
     local rep=${1:-1}; shift
     local data
     data=$(cat)