I cannot figure the error in the following.
package main
import (
"io"
"os"
"os/exec"
"strings"
)
func Run(args []string) {
lf, _ := os.Create("lf.log")
defer lf.Close()
cmd := exec.Command(args[0], strings.Join(args[1:], " "))
stderr, _ := cmd.StderrPipe()
cmd.Start()
io.Copy(lf, stderr)
cmd.Wait()
}
func main() {
args := []string{"go", "build", "./"}
Run(args)
}
I can execute go build ./ and get an executable. However when I run it I
get the following in the logfile:
cat lf.log go build ./: unknown command Run 'go help build' for usage.
I exected that the "exec" will just execute go build ./
I did rename the exe to something else before running it.
Anyone can spot the error?
Thanks, srini
PS - I am not sure if it matters but I am on a Mac and use go version
go1.13.6 darwin/amd64
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