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