shell终端输出内容美化
作者：James Zhu (fatindeed@hotmail.com)
创建日期：2018-05-30
引言
我们在编写shell脚本（如bash/sh等）时，有时会因为输出内容过多而观察不便，因此需要将一些重要信息高亮显示。
ANSI转义序列是一种In-band signaling的转义序列标准，用于控制视频文本终端上的光标位置、颜色和其他选项。在文本中嵌入确定的字节序列，大部分以ESC转义字符和[字符开始，终端会把这些字节序列解释为相应的指令，而不是普通的字符编码。
ANSI转义序列表（不完整列表）
Set
Code
Description
Example
1
Bold/Bright
echo -e "Normal \e[1mBold"
2
Dim
echo -e "Normal \e[2mDim"
4
Underlined
echo -e "Normal \e[4mUnderlined"
5
Blink
echo -e "Normal \e[5mBlink"
7
Reverse
echo -e "Normal \e[7minverted"
8
Hidden
echo -e "Normal \e[8mHidden"
Unset
Code
Description
Example
0
Reset all attributes
echo -e "\e[0mNormal Text"
21
Reset bold/bright
echo -e "Normal \e[1mBold \e[21mNormal"
22
Reset dim
echo -e "Normal \e[2mDim \e[22mNormal"
24
Reset underlined
echo -e "Normal \e[4mUnderlined \e[24mNormal"
25
Reset blink
echo -e "Normal \e[5mBlink \e[25mNormal
27
Reset reverse
echo -e "Normal \e[7minverted \e[27mNormal"
28
Reset hidden
echo -e "Normal \e[8mHidden \e[28mNormal"
Foreground (text)
Code
Description
Example
39
Default foreground color
echo -e "Default \e[39mDefault"
30
Black
echo -e "Default \e[30mBlack"
31
Red
echo -e "Default \e[31mRed"
32
Green
echo -e "Default \e[32mGreen"
33
Yellow
echo -e "Default \e[33mYellow"
34
Blue
echo -e "Default \e[34mBlue"
35
Magenta
echo -e "Default \e[35mMagenta"
36
Cyan
echo -e "Default \e[36mCyan"
37
Light gray
echo -e "Default \e[37mLight gray"
90
Dark gray
echo -e "Default \e[90mDark gray"
91
Light red
echo -e "Default \e[91mLight red"
92
Light green
echo -e "Default \e[92mLight green"
93
Light yellow
echo -e "Default \e[93mLight yellow"
94
Light blue
echo -e "Default \e[94mLight blue"
95
Light magenta
echo -e "Default \e[95mLight magenta"
96
Light cyan
echo -e "Default \e[96mLight cyan"
97
White
echo -e "Default \e[97mWhite"
Background
Code
Description
Example
49
Default background color
echo -e "Default \e[49mDefault"
40
Black
echo -e "Default \e[40mBlack"
41
Red
echo -e "Default \e[41mRed"
42
Green
echo -e "Default \e[42mGreen"
43
Yellow
echo -e "Default \e[43mYellow"
44
Blue
echo -e "Default \e[44mBlue"
45
Magenta
echo -e "Default \e[45mMagenta"
46
Cyan
echo -e "Default \e[46mCyan"
47
Light gray
echo -e "Default \e[47mLight gray"
100
Dark gray
echo -e "Default \e[100mDark gray"
101
Light red
echo -e "Default \e[101mLight red"
102
Light green
echo -e "Default \e[102mLight green"
103
Light yellow
echo -e "Default \e[103mLight yellow"
104
Light blue
echo -e "Default \e[104mLight blue"
105
Light magenta
echo -e "Default \e[105mLight magenta"
106
Light cyan
echo -e "Default \e[106mLight cyan"
107
White
echo -e "Default \e[107mWhite"
参考资料
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