#!/bin/bash
clear
tput setab 4

# Window too small
if [ "$(tput cols)" -lt "46" ];then
 space="$(tput cols)"
 until [ "$space" = "0" ];do
  echo -n " "
  let space-=1
 done
 echo;echo
 tput sgr0
 exit 0
fi

date="$(date '+%A %d %B %Y, %H:%M')"

# Date, right.
space="$(expr $(expr $(tput cols) - $(echo $date|wc -c)) - 1)"
until [ "$space" = "0" ];do
 echo -n " "
 let space-=1
done
echo -ne "$date \\r"

# Hostname, center.
space="$(expr $(tput cols) / 2) - $(expr $(expr $(echo $HOSTNAME|wc -c) - 1) / 2)"
until [ "$space" = "0" ];do
 echo -n " "
 let space-=1
done
echo -ne "$HOSTNAME\\r"

# OS version, left.
echo -n " ";git version

tput sgr0
echo
exit 0