命令：在配置文件中定义别名清单

package main

import (
	"context"
	"os"

	loaders "github.com/hedzr/cmdr-loaders"
	"github.com/hedzr/cmdr/v2"
	"github.com/hedzr/cmdr/v2/cli"
	"github.com/hedzr/cmdr/v2/examples/cmd"
	"github.com/hedzr/cmdr/v2/examples/devmode"
	"github.com/hedzr/cmdr/v2/pkg/logz"
)

const (
	appName = "dyncmd-cfg"
	desc    = `dyncmd defined in config file`
	version = cmdr.Version
	author  = `The Example Authors`
)

func main() {
	ctx := context.Background()

	app := loaders.Create(appName, version, author, desc).
		With(func(app cli.App) { logz.Debug("in dev mode?", "mode", devmode.InDevelopmentMode()) }).
		WithAdders(cmd.Commands...).
		Build()

	ctx := context.Background()
	if err := app.Run(ctx); err != nil {
		logz.ErrorContext(ctx, "Application Error:", "err", err) // stacktrace if in debug mode/build
		os.Exit(app.SuggestRetCode())
	} else if rc := app.SuggestRetCode(); rc != 0 {
		os.Exit(rc)
	}
}

package cmd

import (
	"github.com/hedzr/cmdr/v2/cli"
)

var Commands = []cli.CmdAdder{
	jumpCmd{},
	// wrongCmd{},
}

package cmd

import (
	"context"

	"github.com/hedzr/cmdr/v2"
	"github.com/hedzr/cmdr/v2/cli"
	"github.com/hedzr/cmdr/v2/examples/dyncmd"
	"github.com/hedzr/cmdr/v2/pkg/dir"
	logz "github.com/hedzr/logg/slog"
)

type jumpCmd struct{}

func (jumpCmd) Add(app cli.App) {
	app.Cmd("jump").
		Description("jump command").
		Examples(`jump example`). // {{.AppName}}, {{.AppVersion}}, {{.DadCommands}}, {{.Commands}}, ...
		Deprecated(`v1.1.0`).
		Group("Test").
		// Group(cli.UnsortedGroup).
		// Hidden(false).
		OnEvaluateSubCommands(dyncmd.OnEvalJumpSubCommands).
		OnEvaluateSubCommandsFromConfigPath().
		// Both With(cb) and Build() to end a building sequence
		With(func(b cli.CommandBuilder) {
			b.Cmd("to").
				Description("to command").
				Examples(``).
				Deprecated(`v0.1.1`).
				OnAction(func(ctx context.Context, cmd cli.Cmd, args []string) (err error) {
					// cmd.Set() == cmdr.Set(), cmd.Store() == cmdr.Store(cmd.GetDottedPath())
					_, _ = cmd.Set().Set("tiny3.working", dir.GetCurrentDir())
					println()
					println("dir:", cmd.Set().WithPrefix("tiny3").MustString("working"))

					cs := cmd.Set().WithPrefix(cli.CommandsStoreKey, "jump.to")
					if cs.MustBool("full") {
						println()
						println(cmd.Set().Dump())
					}
					cs2 := cmd.Store()
					if cs2.MustBool("full") != cs.MustBool("full") {
						logz.Panic("a bug found")
					}
					app.SetSuggestRetCode(1) // ret code must be in 0-255
					return                   // handling command action here
				}).
				With(func(b cli.CommandBuilder) {
					b.Flg("full", "f").
						Default(false).
						Description("full command").
						Build()
				})
		})
}

[alias]
jc = "> jump to"
ls = "! bash -c \"ls -laG\""
l = "ls -laG"
say = "say hello"

# PREFIX MEANINGS:
# '>':     leading a RedirectTo cmd, using space-sep'd or dot-sep'd path.
#          for examples, "> jump.to" redirect ro 'juml/'to' command.
# '!':     leading a program, for example: "say hello" in macOS will play voice 'hello'.
#          mostly it's a gui program
# nothing: run a shell command. for example: "ls -la" will list file

[logging]
file = "/var/lib/dyncmd-cfg.stdout.log"
rotate = 7    # in days

[server]
port = 3000