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package main
import (
"context"
"fmt"
"log"
"os"
"strings"
"github.com/urfave/cli/v3"
)
func main() {
cmd := &cli.Command{
Flags: []cli.Flag{
&cli.StringFlag{
Name: "lang",
Value: "en",
Usage: "language used for the greeting",
},
&cli.IntFlag{
Name: "times",
Value: 1,
Usage: "number of times to repeat word for hello",
},
},
Usage: "top level application",
Action: func(ctx context.Context, cmd *cli.Command) error {
name := "Brandon"
if cmd.NArg() > 0 {
name = cmd.Args().First()
}
dir := map[string]string{
"es": "Hola",
"en": "Hello",
}
greeting, ok := dir[cmd.String("lang")]
if !ok {
greeting = "???"
}
fmt.Printf("%s, %s\n", strings.Repeat(greeting, cmd.Int("times")), name)
return nil
},
}
if err := cmd.Run(context.Background(), os.Args); err != nil {
log.Fatal(err)
}
}
|
