FreeKB - Export variables in bash shell script using the SOURCE command in Linux
Export variables in bash shell script using the SOURCE command in Linux

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Let's consider a BASH shell script named example.sh that contains a variable named HW that contains the text Hello World

#!/bin/bash
HW="Hello World"

 

There will be no output when issuing the echo $hw command.

[user1@server1 ~]# echo $hw

 

The source command is used to tell your shell to use your example.sh script. Instead of using the word source, just a single period can be used as well.

[user1@server1 ~]# source example.sh
[user1@server1 ~]# . example.sh

 

Now, echo $hw will produce Hello World.

[user1@server1 ~]# echo $hw
Hello World

 

 



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