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In the main() function, we created a file "Sample.txt" and write the "Hello World\n" message using os.Write() function and print the total number of bytes written into the file. Here, we imported the fmt, os packages then we can use a function related to the fmt and os package. The main package is used to tell the Go language compiler that the package must be compiled and produced the executable file. The given program is compiled and executed on the ubuntu 18.04 operating system successfully. Program/Source Code: The source code to write data bytes into a file is given below. In the above program, we declare the package main. How to write data bytes into a file in Golang Problem Solution: In this program, we will create a file and write data bytes into a text file using os.Write () function. Myfile, err := os.OpenFile( "Sample.txt", os.O_WRONLY|os.O_CREATE, 0666)įmt.Println( "Unable to write bytes into file")įmt.Printf( "%d bytes written into file.\n", len) Golang code to write data bytes into a file // Golang program to write bytes // into the file package main

The source code to write data bytes into a file is given below. In this program, we will create a file and write data bytes into a text file using os.Write() function. How to write data bytes into a file in Golang?

Here, we are going to learn how to write data bytes into a file in Golang (Go Language)?