ordered into /lib

put all subscripts into lib for readability

lib/screen.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+function SCREEN(){
+	local OUT_FILE=$1
+	# Get primary display name
+	display=$(xrandr --query | awk '/ connected primary/{print $1}')
+	# If no primary, use first connected
+	if [ -z "$display" ]; then
+    		display=$(xrandr --query | awk '/ connected/{print $1; exit}')
+	fi
+
+	if [ -z "$display" ]; then
+    		echo -e "No connected display found." >>"$OUT_FILE"
+    		exit 1
+	fi
+
+	# Get physical dimensions line for that display
+	dim_line=$(xrandr --query | grep "^$display connected")
+
+	# Extract width and height in mm
+	width_mm=$(echo "$dim_line" | sed -n 's/.* \([0-9]\+\)mm x \([0-9]\+\)mm.*/\1/p')
+	height_mm=$(echo "$dim_line" | sed -n 's/.* \([0-9]\+\)mm x \([0-9]\+\)mm.*/\2/p')
+
+
+	if [ -z "$width_mm" ] || [ -z "$height_mm" ]; then
+		echo -e "Could not determine physical screen size." >>"$OUT_FILE"
+		exit 1
+	fi
+
+
+	# Calculate diagonal in mm
+	diagonal_mm=$(echo "scale=4; sqrt($width_mm^2 + $height_mm^2)" | bc -l)
+
+	# Convert to inches
+	diagonal_in=$(echo "scale=2; $diagonal_mm / 25.4" | bc -l)
+	echo -e "Screen:\t ${diagonal_in%.*}" >>"$OUT_FILE"	
+	return 0
+}