Two methods of invoking, referencing, and containing another script file in a shell script _linux shell

Script A (test example 1)

Copy Code code as follows:

#!/bin/bash
Echo ' Your are in the '

Q) Call another script file in the current script file?

Method One: Using source
Script second (test example 2)

Copy Code code as follows:

#!/bin/bash
Echo ' Your are in second file '
SOURCE A

Method Two: use.
Script second (test example 3)

Copy Code code as follows:

#!/bin/bash
Echo ' Your are in second file '
. The

SOURCE filename and. FileName should be the same thing, both executing scripts in the * current *shell environment. You can also use the SH filename, which executes the script in the child shell of the current shell.