Add weather.sh

scripts/weather.sh

@@ -0,0 +1,74 @@
+#!/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
+
+fahrenheit=$1
+location=$2
+fixedlocation=$3
+
+display_location()
+{
+  if $location && [[ ! -z "$fixedlocation" ]]; then
+    echo " $fixedlocation"
+  elif $location; then
+    city=$(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=$1
+  # it gets the weather condition textual name (%C), and the temperature (%t)
+  curl -sL wttr.in/$fixedlocation\?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