英文:
Pipe input command line to bash interpreter
问题
func RunExtern(c *shell.Cmd) (string, os.Error) {
cmd := exec.Command("bash", "-c", c.Cmd()+" "+strings.Join(c.Args(), " "))
out, err := cmd.Output()
return string(out), err
}
英文:
I'm writing a small program with an interpreter, I would like to pipe any command that is not recognized by my shell to bash, and print the output as if written in a normal terminal.
func RunExtern(c *shell.Cmd) (string, os.Error) {cmd := exec.Command(c.Cmd(), c.Args()...)out, err := cmd.Output()return string(out), err}
this is what I've written so far, but it only executes a program with its args, I would like to send the whole line to bash and get the output, any idea how to do so ?
答案1
得分: 5
例如，要以列的形式列出目录条目，
package mainimport ("exec""fmt""os")func BashExec(argv []string) (string, os.Error) {cmdarg := ""for _, arg := range argv {cmdarg += `"` + arg + `" `}cmd := exec.Command("bash", "-c", cmdarg)out, err := cmd.Output()return string(out), err}func main() {out, err := BashExec([]string{"ls", "-C"})if err != nil {fmt.Println(err)}fmt.Println(out)}
英文:
For example, to list directory entries in columns,
package mainimport ("exec""fmt""os")func BashExec(argv []string) (string, os.Error) {cmdarg := ""for _, arg := range argv {cmdarg += `"` + arg + `" `}cmd := exec.Command("bash", "-c", cmdarg)out, err := cmd.Output()return string(out), err}func main() {out, err := BashExec([]string{`ls`, `-C`})if err != nil {fmt.Println(err)}fmt.Println(out)}
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