tmux-kanagawa/scripts/weather.sh

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#!/usr/bin/env bash
fahrenheit=$1
location=$2
display_location()
{
if $location; then
city=$(curl -s https://ipinfo.io/city 2> /dev/null)
region=$(curl -s https://ipinfo.io/region 2> /dev/null)
echo " $city, $region"
else
echo ''
fi
}
fetch_weather_information()
{
display_weather=$1
# it gets the weather condition textual name (%C), and the temperature (%t)
curl -sL wttr.in\?format="%C+%t$display_weather"
}
#get weather display
display_weather()
{
if $fahrenheit; then
display_weather='&u' # for USA system
else
display_weather='&m' # for metric system
fi
weather_information=$(fetch_weather_information $display_weather)
weather_condition=$(echo $weather_information | rev | cut -d ' ' -f2- | rev) # Sunny, Snow, etc
temperature=$(echo $weather_information | rev | cut -d ' ' -f 1 | rev) # +31°C, -3°F, etc
unicode=$(forecast_unicode $weather_condition)
echo "$unicode${temperature/+/}" # remove the plus sign to the temperature
}
forecast_unicode()
{
weather_condition=$(echo $weather_condition | awk '{print tolower($0)}')
if [[ $weather_condition =~ 'snow' ]]; then
echo '❄ '
elif [[ (($weather_condition =~ 'rain') || ($weather_condition =~ 'shower')) ]]; then
echo '☂ '
elif [[ (($weather_condition =~ 'overcast') || ($weather_condition =~ 'cloud')) ]]; then
echo '☁ '
elif [[ $weather_condition = 'NA' ]]; then
echo ''
else
echo '☀ '
fi
}
main()
{
# process should be cancelled when session is killed
if ping -q -c 1 -W 1 ipinfo.io &>/dev/null; then
echo "$(display_weather)$(display_location)"
else
echo "Location Unavailable"
fi
}
#run main driver program
main