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Golang program to execute the specified shell script

Here, we are going to learn how to execute the specified shell script in Golang (Go Language)?
Submitted by Nidhi, on May 31, 2021

Problem Solution:

Here, we will execute a specified shell script using the exec.Command() function. The exec.Command() function returns an error if we are unable to execute the specified shell script.

Program/Source Code:

The source code to execute the specified shell script is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.

// Golang program to execute the
// specified shell script

package main

import "fmt"
import "os/exec"

func main() {
	_, err := exec.Command("/bin/sh", "hello.sh").Output()
	if err != nil {
		panic(err)
	}
	fmt.Println("Script executed successfully")
}

Shell script "hello.sh"

echo "Hello World" > output.log

Output:

$go run execute.go 
Script executed successfully

$ cat output.log 
Hello World

Explanation:

In the above program, we declare the package main. The main package is used to tell the Go language compiler that the package must be compiled and produced the executable file. Here, we imported the required packages to predefined functions.

Here, we also created a script file "hello.sh". And, we wrote the "Hello World" message into the "output.log" file.

In the main() function, we used exec.Command() function to execute "hello.sh" script and wrote the "Hello World" message into "output.log" file. After that, we printed the "Script executed successfully" message on the console screen.

Golang Shell Script Programs »



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