ustb-cli: Disable stderr

avoiding alerts of Raspberry Pi

ustb-cli

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 SCRIPTNAME=${0##*/}
-VERSION=v1.1
+VERSION=v1.2
 
 LOGIN_HOST=202.204.48.82
 ALWAYS_ATTEMPT_IPV6=1
@@ -298,7 +298,7 @@ _ustb_draw_clock() {
 	padding_y=$((($tty_height - $min_height) / 2))
 
 	[ $padding_x -lt 0 ] || [ $padding_y -lt 0 ] && {
-		echo "Error: Minimum tty size ${min_height}x${min_width} required" >&2
+		echo "Error: Minimum tty size ${min_height}x${min_width} required."
 		return 1
 	}
 
@@ -707,14 +707,14 @@ _ustb_draw_digit_9() {
 
 # handle exit
 trap _ustb_bye 0
+exec 2>&0
 
-# Run in cli mode if no arguments,
+# Run in cli mode if no arguments
 [ $# -lt 1 ] && {
 	while read -ep "ustb> " line; do
 		_ustb_command $line
 	done
-} || {
-	# or excute single command
+} || { # or excute single command
 	_ustb_command $*
 	exit $?
 }