package cmd
import (
"fmt"
"os"
)
var version = "0.1.0"
func Execute() error {
if len(os.Args) < 2 {
fmt.Println("{{ project_name }} - {{ description }}")
fmt.Println()
fmt.Println("Usage:")
fmt.Println(" {{ project_name }} hello [--name NAME]")
fmt.Println(" {{ project_name }} version")
return nil
}
switch os.Args[1] {
case "hello":
return runHello()
case "version":
fmt.Printf("{{ project_name }} %s\n", version)
return nil
default:
return fmt.Errorf("unknown command: %s", os.Args[1])
}
}
func runHello() error {
name := "world"
for i, arg := range os.Args[2:] {
if arg == "--name" && i+3 < len(os.Args) {
name = os.Args[i+3]
}
}
fmt.Printf("Hello, %s!\n", name)
return nil
}