linux - 是否可以确定 linux 机器中终端的背景颜色？

Question

我正在构建一个 node.js CLI，我想显示一个 ASCII 艺术标志。但是根据终端的背景颜色，我想更改 Logo 的颜色。是否有可能做到这一点？如果是如何？谢谢。

Answer 1

你要找的在这里:

• https://stackoverflow.com/a/30540928/5110035

这里:

• http://www.linuxquestions.org/questions/programming-9/%2Ash-script-to-detect-default-background-color-of-a-terminal-731196/

#!/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 $result | sed 's/[^rgb:0-9a-f/]\+$//'