func main() {
cmd.Init("time")
defer cmd.Exit()
var real, user, sys time.Duration
posix_fmt := flag.Bool("p", false, "use POSIX formatting")
flag.Parse()
args := flag.Args()
if len(args) > 0 {
racer := exec.Command(args[0], args[1:len(args)]...)
racer.Stdin = os.Stdin
racer.Stdout = os.Stdout
racer.Stderr = os.Stderr
signals := make(chan os.Signal)
signal.Notify(signals)
start := time.Now()
err := racer.Run()
signal.Stop(signals)
if process := racer.ProcessState; process != nil {
real = time.Since(start)
user = process.UserTime()
sys = process.SystemTime()
if es, ok := process.Sys().(ExitStatus); ok {
cmd.ExitStatus = es.ExitStatus()
} else if process.Success() {
cmd.ExitStatus = 0
} else {
cmd.ExitStatus = 1
}
} else if err != nil {
cmd.Errorln(err)
if err, ok := err.(*exec.Error); ok && err.Err == exec.ErrNotFound {
cmd.ExitStatus = 127
} else {
cmd.ExitStatus = 126
}
}
}
if *posix_fmt {
fmt.Fprintf(os.Stderr, "real %f\nuser %f\nsys %f\n", real.Seconds(), user.Seconds(), sys.Seconds())
} else {
fmt.Fprintf(os.Stderr, "\nreal\t%v\nuser\t%v\nsys\t%v\n", real, user, sys)
}
}
func main() {
cmd.Init("cat")
defer cmd.Exit()
flag.Bool("u", true, "unbuffered reads")
flag.Parse()
files := flag.Args()
if len(files) <= 0 {
files = []string{"-"}
}
for _, file := range files {
err := cat(file)
if err != nil {
cmd.Errorln(err)
}
}
}