What are the methods that call, reference, and contain another script file in Shell

This article introduces the relevant knowledge of "what are the methods of calling, quoting, and including another script file in Shell?". 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!

Script first (test example 1)

First

#! / bin/bash

Echo 'your are in first file'

Method 1: use source

#! / bin/bash

Echo 'your are in second file'

Source first

Method 2: use.

#! / bin/bash

Echo 'your are in second file'

. First

Method 3: use sh

#! / bin/bash

Echo 'your are in second file'

Sh first

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