Get current temp at your localization from CLI

temp-script.sh

#!/bin/bash

# To capitalize city name.
function toCapital
{
   for x in $*
   do
      echo -n ${x:0:1} | tr '[a-z]' '[A-Z]' | xargs echo -n
      echo -n ${x:1} | tr '[A-Z]' '[a-z]' | xargs echo -n
   done
}

# Read a city name
echo -n "Input a city: "
read city

# Using the Yahoo Weather API and cURL, gets the temp from input city
curl -s https://query.yahooapis.com/v1/public/yql \
   -d q="select item.condition from weather.forecast where woeid in (select woeid from geo.places(1) where text='$city') and u = 'c'" \
   -d format=json > weather.json

# That autoformat JSON file to make it readable
cat weather.json | python -mjson.tool > weather_format.json

# Extract only the temp from JSON
temp=`cat weather_format.json | grep "temp" | cut -c 34-35`

# Capitalize the city name
capital_city=`toCapital $city`

# Output
echo "Temp at $capital_city: $temp ºC"