Weather on your tmux

People have asked me how to display the weather on the status bar of my tmux session, as shown in a previous post of this blog.

It’s actually very easy, and it uses two web services: one requests my current public IP address, the other requests the weather at that location¹.

#!/usr/bin/env bash

# This script requires curl:
IP=$(curl https://ipinfo.io/ip --silent)

# Build a suitable URL and call it
RESULT=$(curl --silent https://wttr.in/"$IP"?format="%c+%t" | xargs)

# Deal with some strange possible outcomes
if [[ $RESULT == Unknow* ]]; then
    echo "n/a"
elif [[ $RESULT == \<!DOCTYPE* ]]; then
    echo "n/a"
elif [[ $RESULT == Sorr* ]]; then
    echo "n/a"
elif [[ $RESULT == This* ]]; then
    echo "n/a"
else
    echo "$RESULT"
fi

Save the contents of the snippet above as weather.sh, save it on your $PATH, make it executable with a good old chmod +x weather.sh and then add the following line to your .tmux.conf configuration:

set -g status-right "| #(weather.sh) | %a %b %e, %H:%M "

This will display the output of the script and then the current date and time.

In the screenshot shown in my previous post there are a few more pieces of information shown, including a nice graphical display of the current battery level, provided by other scripts than the one explained here, of which I’ll talk about next week.