add international support for weather module

It uses [wttr.in](https://github.com/chubin/wttr.in) to get the weather information and the current city based on the IP address

scripts/weather.sh

@@ -3,79 +3,29 @@
 
 fahrenheit=$1
 
-load_request_params()
-{
-	
-	city=$(curl -s https://ipinfo.io/city 2> /dev/null)
-	region=$(curl -s https://ipinfo.io/region 2> /dev/null)
-	zip=$(curl -s https://ipinfo.io/postal 2> /dev/null | tail -1)
-	country_w_code=$(curl -w "\n%{http_code}\n" -s https://ipinfo.io/country 2> /dev/null)
-	country=`grep -Eo [a-zA-Z]+ <<< "$country_w_code"` 
-	exit_code=`grep -Eo [0-9]{3} <<< "$country_w_code"`
-
-	region_code_url=http://www.ip2country.net/ip2country/region_code.html
-	weather_url=https://forecast.weather.gov/zipcity.php
-}
-
-#substitute region code for regions in north america
-get_region_code()
-{
-	curl -s $region_code_url | grep $region &> /dev/null && region=$(curl -s $region_code_url | grep $region | cut -d ',' -f 2)
-	echo $region
-}
-
 weather_information()
 {
-	curl -sL $weather_url?inputstring=$zip | grep myforecast-current | grep -Eo '>.*<' | sed -E 's/>(.*)</\1/'
+	display_weather=$1
+	# it gets the weather condition (%c), the temperature (%t), and the location (%l) 
+	curl -sL curl wttr.in\?format="+%c+%t+%l$display_weather"
 }
-get_temp()
-{
-	if $fahrenheit; then
-		echo $(weather_information | grep 'deg;F' | cut -d '&' -f 1)
-	else
-		echo $(( ($(weather_information | grep 'deg;F' | cut -d '&' -f 1) - 32) * 5 / 9 ))
-	fi
-}
-forecast_unicode() 
-{
-	forecast=$(weather_information | head -n 1)
 
-	if [[ $forecast =~ 'Snow' ]]; then
+#get weather display
-		echo '❄ '
-	elif [[ (($forecast =~ 'Rain') || ($forecast =~ 'Shower')) ]]; then
-		echo '☂ '
-	elif [[ (($forecast =~ 'Overcast') || ($forecast =~ 'Cloud')) ]]; then
-		echo '☁ '
-	elif [[ $forecast = 'NA' ]]; then
-		echo ''
-	else
-		echo '☀ '
-	fi
-	
-
-}
-#get weather display if in US
 display_weather()
 {
-	if [ $country = 'US' ]; then
+	if $fahrenheit; then
-		echo "$(forecast_unicode)$(get_temp)° "
+		display_weather='&u' # for USA system
 	else
-		echo ''
+		display_weather='&m' # for metric system
 	fi
+	echo $(weather_information $display_weather)
 }
 
 main()
 {
-	# don't run the rest of the script unless we can safely get all the information
-	load_request_params
-
-	if [[ $exit_code -eq 429 ]]; then
-		echo "Request Limit Reached"
-		exit
-	fi
 	# process should be cancelled when session is killed
 	if ping -q -c 1 -W 1 ipinfo.io &>/dev/null; then
-		echo "$(display_weather)$city, $(get_region_code)"
+		echo "$(display_weather)"
 	else
 		echo "Location Unavailable"
 	fi