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util.go
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util.go
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package main
import (
"log"
"os/exec"
)
func runDiscardOutput(dir string, name string, arg ...string) error {
//err, stderr, stdout := run(cmd, false, false, false)
_, _, err := run(false, false, false, dir, name, arg...)
return err
}
func run(stderr, stdout, seperate bool, dir, name string, arg ...string) (string, string, error) {
//cmd, err := exec.Command(name, arg...).Output()
//if dir != "" {
//cmd.Dir = dir
//}
//err := cmd.Run()
//log.Println("--------------", cmd.ProcessState)
//str, _ := cmd.Output()
//return string(cmd), "", err
//cmd := exec.Command("sh", "-c", "echo stdout; echo 1>&2 stderr")
cmd := exec.Command(name, arg...)
if dir != "" {
cmd.Dir = dir
}
stdoutStderr, err := cmd.CombinedOutput()
if err != nil {
log.Println("Error running:", name, arg)
log.Println(err)
return "", "", err
}
return string(stdoutStderr), "", err
}
func runCaptureStdout(dir string, name string, arg ...string) (string, error) {
stdout, _, err := run(true, false, false, dir, name, arg...)
return stdout, err
}
func runCaptureStderr(dir string, name string, arg ...string) (string, error) {
_, stderr, err := run(false, true, false, dir, name, arg...)
return stderr, err
}
// cmd := exec.Command("myCommand", "arg1", "arg2")
// cmd.Dir = "/path/to/work/dir"
// cmd.Run()
func runCaptureAll(dir string, name string, arg ...string) (string, string, error) {
stdout, stderr, err := run(true, true, false, dir, name, arg...)
return stdout, stderr, err
}