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This article introduces the knowledge of "how to use echo in shell to display content with color". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Echo is often the most used output, which makes the font more readable and colored.

There are two ways to make echo output with color

1. Define the color variable in the shell script and call the variable using echo-e

two。 When defining a variable, define echo-e into the variable, and then output the variable

You can have echo output a shell script that displays colors

The execution result of the script is as follows

#! / bin/bash

# variables that define colors

RED_COLOR='\ E [1th 31m'# Red

GREEN_COLOR='\ E [1th 32m green

YELOW_COLOR='\ E [1th 33mmm # Huang

BLUE_COLOR='\ E [1x 34m'# Blue

PINK='\ E [1th 35m'# Pink

RES='\ E [0m'

# need to use echo-e

Echo-e "{RES}"

Echo-e "{RES}"

Echo-e "{RES}"

Echo-e "{RES}"

Echo-e "{RES}"

Echo "#"

# put echo-e directly into the variable, and output the variable directly when you use it

SETCOLOR_SUCCESS= "echo-en\ 033 [1ter32m"

SETCOLOR_FAILURE= "echo-en\ 033 [1ter31m"

SETCOLOR_WARNING= "echo-en\ 033 [1bomb33m"

SETCOLOR_NORMAL= "echo-en\ 033 [0bomb39m"

Echo-- oldboy trainning-- & & $SETCOLOR_SUCCESS

Echo-- oldboy trainning-- & & $SETCOLOR_FAILURE

Echo-- oldboy trainning-- & & $SETCOLOR_WARNING

Echo-- oldboy trainning-- & & $SETCOLOR_NORMAL

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