如何实现控制输出颜色的shell脚本

小编给大家分享一下如何实现控制输出颜色的shell脚本，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！

实现代码：

#!/bin/sh# ANSI Color -- Use these variables to make output in different colors# and formats. Color names that end with 'f' are foreground (text) colors,# and those ending with 'b' are background colors.initializeANSI(){ esc="\033" # if this doesn't work, enter an ESC directly blackf="${esc}[30m";  redf="${esc}[31m";  greenf="${esc}[32m" yellowf="${esc}[33m"  bluef="${esc}[34m";  purplef="${esc}[35m" cyanf="${esc}[36m";  whitef="${esc}[37m" blackb="${esc}[40m";  redb="${esc}[41m";  greenb="${esc}[42m" yellowb="${esc}[43m"  blueb="${esc}[44m";  purpleb="${esc}[45m" cyanb="${esc}[46m";  whiteb="${esc}[47m" boldon="${esc}[1m";  boldoff="${esc}[22m" italicson="${esc}[3m"; italicsoff="${esc}[23m" ulon="${esc}[4m";   uloff="${esc}[24m" invon="${esc}[7m";   invoff="${esc}[27m" reset="${esc}[0m"}

先定义函数，接着初始化下函数，接着你就可以看到效果了。
执行

echo -e ${yellowf}This is a phrase in yellow${redb} and red${reset}
echo -e ${boldon}This is bold${ulon} this is italics${reset} bye bye
echo -e ${italicson}This is italics${italicsoff} and this is not

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