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cmd.go
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cmd.go
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package oldhandler
import (
"fmt"
"strings"
"github.com/spf13/pflag"
)
func init() {
RootHandlerMap["cmd"] = Handler{
"cmd",
CmdHandler,
}
}
var CmdHandlerMap = make(HandlerMap)
func CmdHandler(args []string) (any, error) {
fmt.Printf("CMD: %s\n", strings.Join(args, " "))
// build a FlagSet
fs := pflag.NewFlagSet("cmd-flags", pflag.ContinueOnError)
fs.SetInterspersed(false)
a := fs.String("arg", "default", "arg usage")
// parse the Flags
if err := fs.Parse(args); err != nil {
return nil, err
}
// Process/execute behavior for this command
fmt.Printf("CMD: --arg=\"%s\"\n", *a)
result := make(map[string]any)
result["arg"] = *a
// if arguments remain, recurse: sub-command
if fs.NArg() > 0 {
sub, err := HandleCommand(CmdHandlerMap, fs.Args())
if err != nil {
return nil, err
}
// append sub-command's results to this result
result[fs.Arg(0)] = sub
}
// return the result(s)
return result, nil
}