tmux-kanagawa/scripts/sleep_weather.sh

#!/usr/bin/env bash
# setting the locale, some users have issues with different locales, this forces the correct one
export LC_ALL=en_US.UTF-8

#wrapper script for running weather on interval

fahrenheit=$1
location=$2

LOCKFILE=/tmp/.dracula-tmux-weather.lock
DATAFILE=/tmp/.dracula-tmux-data

ensure_single_process()
{
	# check for another running instance of this script and terminate it if found
	[ -f $LOCKFILE ] && ps -p "$(cat $LOCKFILE)" -o cmd= | grep -F " ${BASH_SOURCE[0]}" && kill "$(cat $LOCKFILE)"
	echo $$ > $LOCKFILE
}

main()
{
	ensure_single_process

	current_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

	if [ ! -f $DATAFILE ]; then
		printf "Loading..." > $DATAFILE
	fi

	$current_dir/weather.sh > $DATAFILE

	while tmux has-session &> /dev/null
	do
		$current_dir/weather.sh $fahrenheit $location > $DATAFILE
		if tmux has-session &> /dev/null
		then
			sleep 1200
		else
			break
		fi
	done

	rm $LOCKFILE
}

#run main driver function
main