bash echo color

原文：https://stackoverflow.com/questions/5947742/how-to-change-the-output-color-of-echo-in-linux

$ for (( i = 30; i < 38; i++ )); do echo -e "33[0;"$i"m Normal: (0;$i); 33[1;"$i"m Lig
ht: (1;$i)"; done

Black        0;30     Dark Gray     1;30
Red          0;31     Light Red     1;31
Green        0;32     Light Green   1;32
Brown/Orange 0;33     Yellow        1;33
Blue         0;34     Light Blue    1;34
Purple       0;35     Light Purple  1;35
Cyan         0;36     Light Cyan    1;36
Light Gray   0;37     White         1;37

例子：

RED='33[0;31m'
NC='33[0m' # No Color
printf "I ${RED}love${NC} Stack Overflow
"

# Continued from above example
echo -e "I ${RED}love${NC} Stack Overflow"