display: added dsleep, added -n switch to prnt, use it in conf_ntp

lib/display.sh

@@ -88,10 +88,17 @@ export On_IWhite='\e[0;107m'
 
 # ------------------------------------------------------------------------------
 # Display status with color and timestamp
+# (-n on first parameter to stay on the same line)
 # ($1 accepted values: I=info, W=warning, E=error, m=des espaces (allignement)
 # no header if anything else)
 prnt()
 {
+    if [[ $1 == "-n" ]]; then
+        local echoopt=$1
+        shift
+    else
+        local echoopt=""
+    fi
     case $1 in
         "I")
             local heads="[  ${IGreen}info${DEFAULTFG}   ]"
@@ -110,13 +117,30 @@ prnt()
             shift
             ;;
     esac
-    echo -e "${IWhite}$(date $DATEFORMAT)${DEFAULTFG} ${heads} $@"
+    echo $echoopt -e "${IWhite}$(date $DATEFORMAT)${DEFAULTFG} ${heads} $@"
 
-    unset heads
+    unset heads echoopt
 }
 export -f prnt
 
 
+# ------------------------------------------------------------------------------
+# Sleep and display a counter (or "the second parameter" every second)
+dsleep()
+{
+    i=$1
+    while test $i -gt 0
+    do
+        if [[ -n $2 ]]; then
+            echo -n "$2"
+        else
+            echo -n "${i} "
+        (( i=i-1 ))
+        sleep 1
+    done
+    echo
+}
+
 # ------------------------------------------------------------------------------
 # Dump the keyboard's buffer
 dump_key_buffer()