xscreensaver-windowed-random.sh

#!/bin/bash
# Run a random XScreenSaver module in windowed mode

# Path to the XScreenSaver modules
module_path="/usr/lib/xscreensaver"

# Ensure the module path exists
if [ ! -d "$module_path" ]; then
    echo "XScreenSaver module path not found: $module_path"
    exit 1
fi

# Start the XScreenSaver daemon if it's not running
if ! pgrep -x "xscreensaver" > /dev/null; then
    xscreensaver &
    sleep 1 # Allow time for the daemon to start
fi

# Extract enabled modules from ~/.xscreensaver and remove "GL:" prefix
modules=$(awk '/^programs:/,/^textMode:/' ~/.xscreensaver | \
          grep -v '^-.*--root' | \
          grep -- '--root' | \
          sed -e 's/^GL: *//' | \
          awk '{print $1}')

# Check if any modules are available
if [ -z "$modules" ]; then
    echo "No screensaver modules found in the configuration."
    exit 1
fi

# Convert the list of modules to an array
IFS=$'\n' read -r -d '' -a module_array <<< "$modules"

# Choose a random module
random_module=${module_array[$RANDOM % ${#module_array[@]}]}

# Run the selected module in windowed mode
if [ -n "$random_module" ]; then
    "$module_path/$random_module" -window
else
    echo "Failed to select a random screensaver module."
    exit 1
fi