Minor fixes.

dobroho_vechora.bash

@@ -2,17 +2,15 @@
 set -e
 ip="${1}"
 port="${2}"
-[ -z "${ip}" ]   && print_usage 'No IP given.'
-[ -z "${port}" ] && print_usage 'No port given.'
-[ -z "${3}" ]    || print_usage 'Too many arguments.'
-get_termsize() {
-	echo "`expr $(stty -a < $(tty) | grep -Po '(?<=rows )\d+') - 1`"
-}
+
 print_usage() {
 	echo "${1}"
 	echo "${0} <IP> <PORT>"
 	exit
 }
+[ -z "${ip}" ]   && print_usage 'No IP given.'
+[ -z "${port}" ] && print_usage 'No port given.'
+[ -z "${3}" ]    || print_usage 'Too many arguments.'
 
 send_message() {
 	exec 3<> "/dev/tcp/${ip}/${port}"