What is the most portable/cross-platform way to represent a newline in go/golang?

Question

Currently, to represent a newline in go programs, I use \\n. For example:

package main

import \"fmt\"


func main() {
    fmt.Printf(\"%d is %s         


        

Answer 1

You can always use an OS specific file to declare certain constants. Just like _test.go files are only used when doing go test, the _[os].go are only included when building to that target platform.

Basically you'll need to add the following files:

 - main.go
 - main_darwin.go     // Mac OSX
 - main_windows.go    // Windows
 - main_linux.go      // Linux

You can declare a LineBreak constant in each of the main_[os].go files and have your logic in main.go.

The contents of you files would look something like this:

main_darwin.go

package somepkg

const LineBreak = "\n"

main_linux.go

package somepkg

const LineBreak = "\n"

main_windows.go

package somepkg

const LineBreak = "\r\n"

and simply in your main.go file, write the code and refer to LineBreak

main.go

package main

import "fmt"


func main() {
    fmt.Printf("%d is %s %s", 'U', string(85), LineBreak)
}