System status MOTD for Raspberry Pi (with ZSH)

.zprofile

# Inspiration: https://www.raspberrypi.org/forums/viewtopic.php?t=23440

let upSeconds="$(/usr/bin/cut -d. -f1 /proc/uptime)"
let secs=$((${upSeconds}%60))
let mins=$((${upSeconds}/60%60))
let hours=$((${upSeconds}/3600%24))
let days=$((${upSeconds}/86400))
UPTIME=`printf "%d days, %dh %dm %ds" "$days" "$hours" "$mins" "$secs"`

# get the load averages
read one five fifteen rest < /proc/loadavg

echo "$(tput setaf 2)
$(tput setaf 2)   .~~.   .~~.    `date +"%A, %d %B %Y, %R"`
$(tput setaf 2)  '. \ ' ' / .'   `uname -srmo`
$(tput setaf 1)   .~ .~~~..~.
$(tput setaf 1)  : .~.'~'.~. :       $(tput setaf 6)Uptime              $(tput setaf 7) ${UPTIME}
$(tput setaf 1) ~ (   ) (   ) ~      $(tput setaf 6)Memory Usage        $(tput setaf 7) `free | grep Mem | awk '{printf("%0.2f", $3/$2 * 100.0) }'`%
$(tput setaf 1)( : '~'.~.'~' : )     $(tput setaf 6)Disk Usage          $(tput setaf 7) `df -hl | grep '/dev/root' | awk '{ print $3 " (" $5")" }'`
$(tput setaf 1) ~ .~ (   ) ~. ~      $(tput setaf 6)Load Averages       $(tput setaf 7) ${one}, ${five}, ${fifteen} (1, 5, 15 min)
$(tput setaf 1)  (  : '~' :  )       $(tput setaf 6)Running Processes   $(tput setaf 7) `ps ax | wc -l`
$(tput setaf 1)   '~ .~~~. ~'        $(tput setaf 6)IP Addresses    $(tput sgr0) int $(tput setaf 7)`/sbin/ifconfig enxb827eb45320a | grep "inet 192" | awk '{ print $2 }'`
$(tput setaf 1)       '~'            $(tput setaf 6)                $(tput sgr0) ext $(tput setaf 7)`wget -q -O - https://icanhazip.com/ | tail`
$(tput sgr0)"