24 lines
616 B
Bash
24 lines
616 B
Bash
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#!/bin/sh
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# https://stackoverflow.com/questions/2507337/how-to-determine-a-terminals-background-color/30540928#30540928
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# Query a property from the terminal, e.g. background color.
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# XTerm Operating System Commands
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# "ESC ] Ps;Pt ST"
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oldstty=$(stty -g)
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# What to query?
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# 11: text background
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Ps=${1:-11}
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stty raw -echo min 0 time 0
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# stty raw -echo min 0 time 1
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printf "\033]$Ps;?\033\\"
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# xterm needs the sleep (or "time 1", but that is 1/10th second).
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sleep 0.01
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read -r answer
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# echo $answer | cat -A
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result=${answer#*;}
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stty $oldstty
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# Remove escape at the end.
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echo $result | sed 's/[^rgb:0-9a-f/]\+$//'
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