@@ -0,0 +1,22 @@
+package commands
+
+type Command interface {
+	Aliases() []string
+	Execute(cmd string) (interface{}, error)
+}
+
+var Commands = make(map[string]Command)
+
+func Register(cmd Command) {
+	for _, alias := range cmd.Aliases() {
+		Commands[alias] = cmd
+	}
+}
+
+func ProcessCommands(cmd string) {
+	for k, v := range Commands {
+		if cmd == k {
+			v.Execute(cmd)
+		}
+	}
+}

@@ -0,0 +1,35 @@
+package commands
+
+import (
+	"fmt"
+
+	"git.icyphox.sh/mx/config"
+	"github.com/emersion/go-maildir"
+)
+
+func init() {
+	Register(List{})
+}
+
+type List struct{}
+
+func (List) Aliases() []string {
+	return []string{
+		"header",
+		"he",
+		"list",
+		"ls",
+	}
+}
+
+func (List) Execute(cmd string) (interface{}, error) {
+	cfg := config.Config
+	d := maildir.Dir(cfg.Maildir)
+	keys, _ := d.Keys()
+	fmt.Println(keys)
+	for _, k := range keys {
+		flags, _ := d.Flags(k)
+		fmt.Println(k, flags)
+	}
+	return cmd, nil
+}

@@ -0,0 +1,38 @@
+package config
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"gopkg.in/yaml.v2"
+)
+
+var Config ConfigYaml
+
+func init() {
+	Config = *ParseConfig()
+}
+
+type ConfigYaml struct {
+	Maildir string `yaml:"maildir"`
+}
+
+func ParseConfig() *ConfigYaml {
+	cfg := ConfigYaml{}
+	hd, _ := os.UserHomeDir()
+
+	// ~/.config/mx/mx.yaml
+	configPath := filepath.Join(hd, ".config", "mx", "mx.yaml")
+
+	cfile, err := os.ReadFile(configPath)
+	if err != nil {
+		fmt.Printf("error: %+v\n", err)
+		return nil
+	}
+	if err = yaml.Unmarshal(cfile, &cfg); err != nil {
+		fmt.Printf("error: %+v\n", err)
+		return nil
+	}
+	return &cfg
+}

@@ -2,4 +2,8 @@ module git.icyphox.sh/mx
 
 go 1.16
 
-require github.com/peterh/liner v1.2.1
+require (
+	github.com/emersion/go-maildir v0.2.0
+	github.com/peterh/liner v1.2.1
+	gopkg.in/yaml.v2 v2.4.0
+)

@@ -1,4 +1,10 @@
+github.com/emersion/go-maildir v0.2.0 h1:fC4+UVGl8GcQGbFF7AWab2JMf4VbKz+bMNv07xxhzs8=
+github.com/emersion/go-maildir v0.2.0/go.mod h1:I2j27lND/SRLgxROe50Vam81MSaqPFvJ0OHNnDZ7n84=
 github.com/mattn/go-runewidth v0.0.3 h1:a+kO+98RDGEfo6asOGMmpodZq4FNtnGP54yps8BzLR4=
 github.com/mattn/go-runewidth v0.0.3/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
 github.com/peterh/liner v1.2.1 h1:O4BlKaq/LWu6VRWmol4ByWfzx6MfXc5Op5HETyIy5yg=
 github.com/peterh/liner v1.2.1/go.mod h1:CRroGNssyjTd/qIG2FyxByd2S8JEAZXBl4qUrZf8GS0=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=

@@ -7,17 +7,13 @@ "os"
 	"path/filepath"
 	"strings"
 
+	"git.icyphox.sh/mx/commands"
 	"github.com/peterh/liner"
 )
 
 var (
 	hd, _    = os.UserHomeDir()
 	histfile = filepath.Join(hd, ".mx.hist")
-	commands = []string{
-		"some",
-		"commands",
-		"here",
-	}
 )
 
 func main() {
@@ -27,7 +23,7 @@
 	line.SetCtrlCAborts(true)
 
 	line.SetCompleter(func(line string) (c []string) {
-		for _, n := range commands {
+		for n, _ := range commands.Commands {
 			if strings.HasPrefix(n, strings.ToLower(line)) {
 				c = append(c, n)
 			}
@@ -43,7 +39,7 @@
 	prompt := ""
 	for {
 		if cmd, err := line.Prompt(prompt + " > "); err == nil {
-			// processCmd(cmd)
+			commands.ProcessCommands(cmd)
 			line.AppendHistory(cmd)
 			prompt = cmd
 		} else if err == liner.ErrPromptAborted || err == io.EOF {