Improve sleeping/beeping Bash functions

Move bb() double-functionatity (sleep+throw alarm but also tell about
it) to snore() and keep bb() without info output.

Also add dotsleep() to double down on the outputting by producing dots
while sleeping.

dotfiles/config/bashum/main.bashrc

@@ -54,14 +54,36 @@ smvr() {
     scp -r "$src" "$dst" && rm -r "$src"
 }
 
-
-bb() {
+snore() {
     #
-    # Ring the bell
+    # Sleep loudly-ish for $1 time
     #
     local stime=${1:-0}
     test "$stime" == 0 || echo -e "sleeping for $BASHUM_COLOR_LGREEN$stime$BASHUM_COLOR_NORMAL"
     sleep "$stime"
+}
+
+dotsleep() {
+    #
+    # Sleep with dots for $1 seconds
+    #
+    local secs=$1
+    echo -e "sleeping for $BASHUM_COLOR_LGREEN$secs$BASHUM_COLOR_NORMAL seconds"
+    local secs_togo=$secs
+    while test "$secs_togo" -gt 0; do
+        sleep 1
+        echo -n .
+        ((secs_togo--))
+    done
+    echo
+}
+
+bb() {
+    #
+    # Ring the bell after $1 time of sleep
+    #
+    local stime=${1:-0}
+    snore "$stime"
     printf '\a'
 }