How can I compile a Go program?

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I got Go to compile: 

0 known bugs; 0 unexpected bugs

and typed in the "hello world":

package main

import "fmt"

func main() {
  fmt.Printf("Hello, 世界\n")
}

Then I tried to compile it, but it wouldn't go:

$ 8c gotest2
gotest2:1 not a function
gotest2:1 syntax error, last name: main

This is going on on Ubuntu Linux on Pentium. Go installed and passed its tests. So where did I go wrong? Can someone tell me where to go from here?

I also tried this program:

package main

import fmt "fmt"  // Package implementing formatted I/O.


func main() {
    fmt.Printf("Hello, world; or Καλημέρα κόσμε; or こんにちは 世界\n");
}

But this was also no go (must stop making go puns):

$ 8c gotest3.go
gotest3.go:1 not a function
gotest3.go:1 syntax error, last name: main
go
5 Answers

use go run to run the go program. Here is the output.

$ cat testgo.go 

package main

import "fmt"

func main() {
    fmt.Printf("Hello, 世界\n")
}

$go run testgo.go 

Hello, 世界
user_120340400

To compile Go code, use the following commands:

go tool compile gotest3.go # To create an object file.
go tool link -o gotest3 gotest3.o # To compile from the object file.
chmod +x gotest3 # To apply executable flag.
./gotest3 # To run the binary.
user_550750
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