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// compflag shows how to use the github.com/posener/complete/v2/compflag package to have auto bash
// completion for a defined set of flags.
package main
import (
"fmt"
"os"
"github.com/posener/complete/v2/compflag"
)
var (
// Add variables to the program. Since we are using the compflag library, we can pass options to
// enable bash completion to the flag values.
name = compflag.String("name", "", "Give your name", compflag.OptValues("foo", "bar", "foo bar"))
something = compflag.String("something", "", "Expect somthing, but we don't know what, so no other completion options will be provided.", compflag.OptValues(""))
nothing = compflag.String("nothing", "", "Expect nothing after flag, so other completion can be provided.")
)
func main() {
// Parse flags and perform bash completion if needed.
compflag.Parse("stdlib")
// Program logic.
if *name == "" {
fmt.Println("Your name is missing")
os.Exit(1)
}
fmt.Println("Hi,", name)
}
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