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					|  |  |  | #!/bin/bash | 
			
		
	
		
			
				
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					|  |  |  | set -e | 
			
		
	
		
			
				
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					|  |  |  | # Define the backlight device | 
			
		
	
		
			
				
					|  |  |  | BACKLIGHT_DEVICE="/sys/class/backlight/intel_backlight" | 
			
		
	
		
			
				
					|  |  |  | DECREMENT=300 # Adjust this to the value you want to increase | 
			
		
	
		
			
				
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					|  |  |  | # Get the current and max brightness | 
			
		
	
		
			
				
					|  |  |  | current_brightness=$(cat "$BACKLIGHT_DEVICE/brightness") | 
			
		
	
		
			
				
					|  |  |  | max_brightness=$(cat "$BACKLIGHT_DEVICE/max_brightness") | 
			
		
	
		
			
				
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					|  |  |  | # Calculate new brightness value | 
			
		
	
		
			
				
					|  |  |  | new_brightness=$((current_brightness - DECREMENT)) | 
			
		
	
		
			
				
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					|  |  |  | # Ensure it doesn't exceed the maximum brightness | 
			
		
	
		
			
				
					|  |  |  | if [ "$new_brightness" -gt "$max_brightness" ]; then | 
			
		
	
		
			
				
					|  |  |  | new_brightness=$max_brightness | 
			
		
	
		
			
				
					|  |  |  | fi | 
			
		
	
		
			
				
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					|  |  |  | # Set the new brightness | 
			
		
	
		
			
				
					|  |  |  | echo "$new_brightness" > "$BACKLIGHT_DEVICE/brightness" | 
			
		
	
		
			
				
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					|  |  |  | notify-send "Brightness increased to $new_brightness" |