Can Go Replace Python for Scripting? Practical Tips and Tools

Why consider Go for scripting?

Go’s strong typing, fast compilation, built‑in concurrency and rich standard library make it attractive for small automation tasks that would otherwise be written in Python or Bash.

Running Go scripts with go run

In Codenation the command go run is used to compile and execute a Go source file in one step. It is not an interpreter; the source is compiled to a binary before execution.

Useful Go packages for scripts

github.com/fatih/color

– colored terminal output. github.com/schollz/progressbar – progress bars for long‑running tasks. github.com/jimlawless/whereami – retrieve file name, line number, function name at runtime. github.com/spf13/cobra – build complex CLI with flags and documentation.

Limitations of Go as a script language

Go lacks a native REPL and does not support a shebang line out of the box, which makes one‑liner scripts less convenient. Work‑arounds such as registering a binfmt_misc handler for Go binaries are possible on Linux.

Shebang workaround on Linux

$ Echo ':golang:E::go::/usr/local/bin/gorun:OC' | sudo tee /proc/sys/fs/binfmt_misc/register
:golang:E::go::/usr/local/bin/gorun:OC

After registration a Go source file can be executed directly like a script.

Example Go script

package main

import (
    "fmt"
    "os"
)

func main() {
    s := "world"
    if len(os.Args) > 1 {
        s = os.Args[1]
    }
    fmt.Printf("Hello, %v!
", s)

    if s == "fail" {
        os.Exit(30)
    }
}

Running the script:

$ chmod u+x helloscript.go
$ ./helloscript.go
Hello, world!
$ ./helloscript.go gopher
Hello, gopher!
$ ./helloscript.go fail
Hello, fail!
$ echo $?
30

Alternative interpreters

Projects such as Neugram attempted to provide a Go‑like REPL but are unmaintained. Gomacro offers a full Go interpreter with REPL and script modes, supports generic‑like macros, can act as a debugger, and aims to make Go a middle‑language, but it is not part of the official Go toolchain.

Conclusion

For many automation tasks go run is simple and reliable, and a Linux shebang registration can make Go scripts feel like native executables. However, the lack of built‑in REPL and shebang support means Go is still less convenient than traditional scripting languages for quick one‑liners.