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Query background setting from terminal (xterm / rxvt-unicode)
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#!/bin/sh | |
# | |
# Query a property from the terminal, e.g. background color. | |
# | |
# XTerm Operating System Commands | |
# "ESC ] Ps;Pt ST" | |
oldstty=$(stty -g) | |
# What to query? | |
# 11: text background | |
Ps=${1:-11} | |
stty raw -echo min 0 time 0 | |
# stty raw -echo min 0 time 1 | |
printf "\033]$Ps;?\033\\" | |
# xterm needs the sleep (or "time 1", but that is 1/10th second). | |
sleep 0.00000001 | |
read -r answer | |
# echo $answer | cat -A | |
result=${answer#*;} | |
stty $oldstty | |
# Remove escape at the end. | |
echo $result | sed 's/[^rgb:0-9a-f/]\+$//' |
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