bash script: Dynamic Wallpaper Changer Script

#!/bin/bash


# Function to change wallpaper based on time of day

change_wallpaper_time() {

    current_hour=$(date +"%H")
    if [ $current_hour -ge 0 ] && [ $current_hour -lt 12 ]; then

        # Morning wallpaper

        gsettings set org.gnome.desktop.background picture-uri "file:///path/to/morning-wallpaper.jpg"

    elif [ $current_hour -ge 12 ] && [ $current_hour -lt 18 ]; then

        # Afternoon wallpaper

        gsettings set org.gnome.desktop.background picture-uri "file:///path/to/afternoon-wallpaper.jpg"

    else

        # Evening wallpaper

        gsettings set org.gnome.desktop.background picture-uri "file:///path/to/evening-wallpaper.jpg"

    fi

}
# Function to change wallpaper based on weather conditions

change_wallpaper_weather() {

    current_weather=$() # Replace with actual command
    if [ "$current_weather" = "sunny" ]; then

        gsettings set org.gnome.desktop.background picture-uri "file:///path/to/sunny-wallpaper.jpg"

    elif [ "$current_weather" = "rainy" ]; then

        gsettings set org.gnome.desktop.background picture-uri "file:///path/to/rainy-wallpaper.jpg"

    else

        gsettings set org.gnome.desktop.background picture-uri "file:///path/to/default-wallpaper.jpg"

    fi

}

# Main script logic # Check if weather condition-based wallpaper is enabled if [ "$1" = "--weather" ]; then change_wallpaper_weather else change_wallpaper_time fi

This bash script is a dynamic wallpaper changer that changes the desktop wallpaper based on either the time of day or weather conditions. It defines two functions: `change_wallpaper_time` and `change_wallpaper_weather`. The `change_wallpaper_time` function calculates the current hour and sets the wallpaper based on whether it is morning, afternoon, or evening. The `change_wallpaper_weather` function retrieves the current weather (using a placeholder command) and sets the wallpaper based on sunny, rainy, or default conditions.

The main script logic checks if the `–weather` flag is provided as a command-line argument. If the flag is present, it calls the `change_wallpaper_weather` function to set the wallpaper based on weather conditions. Otherwise, it defaults to calling the `change_wallpaper_time` function to set the wallpaper based on the time of day.

This script leverages `gsettings` to change the desktop wallpaper for a GNOME desktop environment. Make sure to replace the placeholder paths with actual paths to your wallpaper images and the command to get the current weather information.