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utils.go
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utils.go
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package main
import (
"io/ioutil"
"log"
"os/exec"
"strings"
)
// Takes command and argument as slice and returns stdout and stderr
func execUserCmd(userCmdArgs []string) (string, string, error) {
//log.Println("Executing:", strings.Join(userCmdArgs, " "))
cmd := exec.Command(userCmdArgs[0])
cmd.Args = userCmdArgs
stderr, err := cmd.StderrPipe()
if err != nil {
return "", "", err
}
stdout, err := cmd.StdoutPipe()
if err != nil {
return "", "", err
}
cmd.Start()
output, _ := ioutil.ReadAll(stdout)
errout, _ := ioutil.ReadAll(stderr)
cmd.Wait()
return string(output), string(errout), nil
}
func execShellCmdInternal(cmd string, print bool) string {
cmdArgs := strings.Split(cmd, " ")
stdout, errout, _ := execUserCmd(cmdArgs)
if stdout != "" && print {
log.Println(stdout)
}
if errout != "" {
log.Println("error is:", errout)
}
return stdout
}
func execShellCmd(cmd string) {
execShellCmdInternal(cmd, true)
}
func execShellCmdOutput(cmd string) string {
return execShellCmdInternal(cmd, false)
}