init2

screen.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+# 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 "No connected display found."
+    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 "Could not determine physical screen size."
+    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)
+return ${diagonal_in%.*}