readline/example/main.go

43 lines
652 B
Go

package main
import (
"io"
"log"
"strconv"
"time"
"github.com/chzyer/readline"
)
func main() {
t, err := readline.NewTerminal()
if err != nil {
panic(err)
}
defer t.Close()
l := t.NewReadline("> ")
log.SetOutput(l.Stderr())
for {
line, err := l.Readline()
if err != nil {
break
}
switch line {
case "help":
io.WriteString(l.Stderr(), "sayhello: start to display oneline log per second\nbye: quit\n")
case "sayhello":
go func() {
for _ = range time.Tick(time.Second) {
log.Println("hello")
}
}()
case "bye":
goto exit
default:
log.Println("you said:", strconv.Quote(line))
}
}
exit:
}