mihomo/common/cmd/cmd.go

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2022-03-09 05:08:35 +08:00
package cmd
import (
"fmt"
"os/exec"
"strings"
)
func ExecCmd(cmdStr string) (string, error) {
args := splitArgs(cmdStr)
var cmd *exec.Cmd
if len(args) == 1 {
cmd = exec.Command(args[0])
} else {
cmd = exec.Command(args[0], args[1:]...)
}
out, err := cmd.CombinedOutput()
if err != nil {
return "", fmt.Errorf("%v, %s", err, string(out))
}
return string(out), nil
}
func splitArgs(cmd string) []string {
args := strings.Split(cmd, " ")
// use in pipeline
if len(args) > 2 && strings.ContainsAny(cmd, "|") {
suffix := strings.Join(args[2:], " ")
args = append(args[:2], suffix)
}
return args
}