Initial commit of weather.sh script

This script retrieves current weather information from OpenWeatherMap API. It includes:
- OpenWeatherMap API key for data retrieval.
- Location settings for specifying the city and country.
- API request using cURL to fetch weather data.
- Extraction of relevant information from the JSON response using jq.
- Conversion of temperature from Kelvin to Celsius.
- Formulation of the weather information in a formatted English text.
- Output of the weather information.

Author: Michael Haider
Date: 2024-02-08

weather.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+################################################################################
+# OpenWeatherMap Weather Script
+# Author: Michael Haider
+# Date: 2024-02-08
+#
+# This script retrieves current weather information from OpenWeatherMap API
+# based on the specified city and country. It then extracts relevant data,
+# converts temperature from Kelvin to Celsius, and outputs the information
+# in a formatted English text.
+################################################################################
+
+# OpenWeatherMap API key
+api_key="da7765a8c6d2975b7dfe68f2a1775631"
+
+# Location settings
+city="Pfarrkirchen"
+country="de"
+
+# Make API request and retrieve data
+weather_data=$(curl -s "http://api.openweathermap.org/data/2.5/weather?q=${city},${country}&appid=${api_key}")
+
+# Extract relevant information from the JSON response
+description=$(echo "$weather_data" | jq -r '.weather[0].description')
+temperature=$(echo "$weather_data" | jq -r '.main.temp')
+humidity=$(echo "$weather_data" | jq -r '.main.humidity')
+wind_speed=$(echo "$weather_data" | jq -r '.wind.speed')
+
+# Convert temperature from Kelvin to Celsius
+temperature_celsius=$(awk "BEGIN {print $temperature - 273.15}")
+
+# Formulate the text in English
+weather="Current weather in $city: $description.
+The temperature is ${temperature_celsius}°C, humidity is ${humidity}%.
+Wind speed is ${wind_speed} m/s."
+
+# Output the text
+echo "$weather"
+