returns an emoji representing the current weather conditions in a specified location

weather-emoji.sh

#!/bin/bash
woeid="2390183"

weather=`curl --silent "http://xml.weather.yahoo.com/forecastrss?w=${woeid}&u=f" | xmllint --xpath "string(//*[local-name()='condition']//@code)" -`

# codes from https://developer.yahoo.com/weather/documentation.html#codes
case "$weather" in
  0) # tornado
    emoji="🌪" # cloud with tornado
  ;;
  1|2|23|24) # tropical storm, hurricane, blustery, windy
    emoji="💨" # dash symbol
  ;;
  3|4|37|38|39|45|47) # severe thunderstorms, thunderstorms, isolated thunderstorms, scattered thunderstorms, scattered thunderstorms, thundershowers, isolated thundershowers
    emoji="⛈" # thunder cloud and rain
  ;;
  5|7|13|14|15|16|17|41|42|43|46) # mixed rain and snow, mixed snow and sleet, snow flurries, light snow showers, blowing snow, snow, hail, heavy snow, scattered snow showers, heavy snow, snow showers
    emoji="🌨" # cloud with snow
  ;;
  6|8|9|10|11|12|18|35|40) # mixed rain and sleet, freezing drizzle, drizzle, freezing rain, showers, showers, sleet, mixed rain and hail, scattered showers
    emoji="🌧" # cloud with rain
  ;;
  19|20|21|22) # dust, foggy, haze, smoky
    emoji="🌫" # fog
  ;;
  25) # cold
    emoji="❄️" # snowflake
  ;;
  26|27|29) # cloudy, mostly cloudy (night), partly cloudy (night)
    emoji="☁️" # cloud
  ;;
  28) # mostly cloudy (day)
    emoji="🌥" # white sun behind cloud
  ;;
  30|44) # partly cloudy (day), partly cloudy
    emoji="⛅️" # sun behind cloud
  ;;
  31|33) # clear (night), fair (night)
    emoji="🌙" # crescent moon
  ;;
  32|36) # sunny, hot
    emoji="☀️" # black sun with rays
  ;;
  34) # fair (sunny)
    emoji="🌤" # white sun with small cloud
  ;;
  *)
    exit 1
  ;;
esac

echo $emoji
exit 0