diff --git a/go.mod b/go.mod
index a684fabc..7ea3e3ff 100644
--- a/go.mod
+++ b/go.mod
@@ -16,6 +16,7 @@ require (
 	github.com/schollz/spinner v0.0.0-20180925172146-6bbc5f7804f9
 	github.com/sirupsen/logrus v1.4.1
 	github.com/stretchr/testify v1.3.0
+	github.com/urfave/cli v1.20.0
 	golang.org/x/crypto v0.0.0-20190404164418-38d8ce5564a5
 	golang.org/x/net v0.0.0-20181220203305-927f97764cc3 // indirect
 	gopkg.in/urfave/cli.v1 v1.20.0
diff --git a/go.sum b/go.sum
index 573aedb2..8102c554 100644
--- a/go.sum
+++ b/go.sum
@@ -102,6 +102,7 @@ github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/schollz/croc v3.0.6+incompatible h1:rCfc8MGgcGjNW2/qSoulPh8CRGH+Ej4i3RWYOwhX9pE=
 github.com/schollz/mnemonicode v1.0.1 h1:LiH5hwADZwjwnfXsaD4xgnMyTAtaKHN+e5AyjRU6WSU=
 github.com/schollz/mnemonicode v1.0.1/go.mod h1:cl4UAOhUV0mkdjMj/QYaUZbZZdF8BnOqoz8rHMzwboY=
 github.com/schollz/pake v1.1.0 h1:+tYqsPVkuirFpmeRePjYTUhIHHKLufdmd7QfuspaXCk=
@@ -121,6 +122,8 @@ github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/tscholl2/siec v0.0.0-20180721101609-21667da05937 h1:lhssCpSe3TjKcbvUoPzFMuv9oUyZDgI3Cmgolfw2C90=
 github.com/tscholl2/siec v0.0.0-20180721101609-21667da05937/go.mod h1:KL9+ubr1JZdaKjgAaHr+tCytEncXBa1pR6FjbTsOJnw=
+github.com/urfave/cli v1.20.0 h1:fDqGv3UG/4jbVl/QkFwEdddtEDjh/5Ov6X+0B/3bPaw=
+github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190123085648-057139ce5d2b/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
diff --git a/main.go b/main.go
index d283215c..d756c3df 100644
--- a/main.go
+++ b/main.go
@@ -1,10 +1,9 @@
 package main
 
 import (
-	"flag"
 	"fmt"
 
-	"github.com/schollz/croc/v5/src/croc"
+	"github.com/schollz/croc/v5/src/cli"
 )
 
 func main() {
@@ -24,26 +23,29 @@ func main() {
 	// 	}
 	// 	log.Debugln(bytes.Equal(buffer[:bytesread], emptyBuffer[:bytesread]))
 	// }
-	var sender bool
-	flag.BoolVar(&sender, "sender", false, "sender")
-	flag.Parse()
-	c, err := croc.New(sender, "foo")
-	if err != nil {
-		panic(err)
-	}
-	if sender {
-		err = c.Send(croc.TransferOptions{
-			// PathToFile: "../wskeystore/README.md",
-			// PathToFile:       "./src/croc/croc.go",
-			// PathToFiles: []string{"C:\\Users\\zacks\\go\\src\\github.com\\schollz\\croc\\src\\croc\\croc.go", "croc.exe"},
-			PathToFiles: []string{"croc2.exe", "croc3.exe"}, //,"croc2.exe", "croc3.exe"},
-			//PathToFiles:      []string{"README.md"}, //,"croc2.exe", "croc3.exe"},
-			KeepPathInRemote: false,
-		})
-	} else {
-		err = c.Receive()
-	}
-	if err != nil {
+	// var sender bool
+	// flag.BoolVar(&sender, "sender", false, "sender")
+	// flag.Parse()
+	// c, err := croc.New(sender, "foo")
+	// if err != nil {
+	// 	panic(err)
+	// }
+	// if sender {
+	// 	err = c.Send(croc.TransferOptions{
+	// 		// PathToFile: "../wskeystore/README.md",
+	// 		// PathToFile:       "./src/croc/croc.go",
+	// 		// PathToFiles: []string{"C:\\Users\\zacks\\go\\src\\github.com\\schollz\\croc\\src\\croc\\croc.go", "croc.exe"},
+	// 		PathToFiles: []string{"croc2.exe", "croc3.exe"}, //,"croc2.exe", "croc3.exe"},
+	// 		//PathToFiles:      []string{"README.md"}, //,"croc2.exe", "croc3.exe"},
+	// 		KeepPathInRemote: false,
+	// 	})
+	// } else {
+	// 	err = c.Receive()
+	// }
+	// if err != nil {
+	// 	fmt.Println(err)
+	// }
+	if err := cli.Run(); err != nil {
 		fmt.Println(err)
 	}
 }
diff --git a/src/cli/cli.go b/src/cli/cli.go
index 47d51969..46b8b048 100644
--- a/src/cli/cli.go
+++ b/src/cli/cli.go
@@ -1,6 +1,7 @@
 package cli
 
 import (
+	"errors"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -11,16 +12,16 @@ import (
 	"strings"
 	"time"
 
-	humanize "github.com/dustin/go-humanize"
-	"github.com/pkg/errors"
+	"github.com/schollz/croc/v5/src/croc"
 	"github.com/schollz/croc/v5/src/utils"
-	"github.com/skratchdot/open-golang/open"
 	"github.com/urfave/cli"
 )
 
 var Version string
+var cr *croc.Client
+
+func Run() (err error) {
 
-func Run() {
 	runtime.GOMAXPROCS(runtime.NumCPU())
 	app := cli.NewApp()
 	app.Name = "croc"
@@ -40,8 +41,6 @@ func Run() {
 			Description: "send a file over the relay",
 			ArgsUsage:   "[filename]",
 			Flags: []cli.Flag{
-				cli.BoolFlag{Name: "no-compress, o", Usage: "disable compression"},
-				cli.BoolFlag{Name: "no-encrypt, e", Usage: "disable encryption"},
 				cli.StringFlag{Name: "code, c", Usage: "codephrase used to connect to relay"},
 			},
 			HelpName: "croc send",
@@ -49,32 +48,12 @@ func Run() {
 				return send(c)
 			},
 		},
-		{
-			Name:        "relay",
-			Usage:       "start a croc relay",
-			Description: "the croc relay will handle websocket and TCP connections",
-			Flags:       []cli.Flag{},
-			HelpName:    "croc relay",
-			Action: func(c *cli.Context) error {
-				return relay(c)
-			},
-		},
-		{
-			Name:        "config",
-			Usage:       "generates a config file",
-			Description: "the croc config can be used to set static parameters",
-			Flags:       []cli.Flag{},
-			HelpName:    "croc config",
-			Action: func(c *cli.Context) error {
-				return saveDefaultConfig(c)
-			},
-		},
 	}
 	app.Flags = []cli.Flag{
 		cli.BoolFlag{Name: "debug", Usage: "increase verbosity (a lot)"},
 		cli.BoolFlag{Name: "yes", Usage: "automatically agree to all prompts"},
 		cli.BoolFlag{Name: "stdout", Usage: "redirect file to stdout"},
-		cli.StringFlag{Name: "port", Value: "8153", Usage: "port that the websocket listens on"},
+		cli.StringFlag{Name: "relay", Value: "198.199.67.130:6372", Usage: "address of the relay"},
 		cli.StringFlag{Name: "out", Value: ".", Usage: "specify an output folder to receive the file"},
 	}
 	app.EnableBashCompletion = true
@@ -95,43 +74,26 @@ func Run() {
 		return receive(c)
 	}
 	app.Before = func(c *cli.Context) error {
-		cr = croc.Init(c.GlobalBool("debug"))
-		cr.Version = Version
-		cr.AllowLocalDiscovery = true
-		cr.Address = c.GlobalString("addr")
-		cr.AddressTCPPorts = strings.Split(c.GlobalString("addr-tcp"), ",")
-		cr.AddressWebsocketPort = c.GlobalString("addr-ws")
-		cr.NoRecipientPrompt = c.GlobalBool("yes")
-		cr.Stdout = c.GlobalBool("stdout")
-		cr.LocalOnly = c.GlobalBool("local")
-		cr.NoLocal = c.GlobalBool("no-local")
-		cr.ShowText = true
-		cr.RelayWebsocketPort = c.String("port")
-		cr.RelayTCPPorts = strings.Split(c.String("tcp-port"), ",")
-		cr.CurveType = c.String("curve")
-		if c.GlobalBool("force-tcp") {
-			cr.ForceSend = 2
-		}
-		if c.GlobalBool("force-web") {
-			cr.ForceSend = 1
-		}
-		return nil
+		var err error
+		cr, err = croc.New(croc.Options{
+			Debug:        c.GlobalBool("debug"),
+			NoPrompt:     c.GlobalBool("yes"),
+			AddressRelay: c.GlobalString("relay"),
+			Stdout:       c.GlobalBool("stdout"),
+		})
+		return err
 	}
 
-	err := app.Run(os.Args)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "\r\n%s", err.Error())
-	}
-	fmt.Fprintf(os.Stderr, "\r\n")
+	return app.Run(os.Args)
 }
 
-func saveDefaultConfig(c *cli.Context) error {
-	return croc.SaveDefaultConfig()
-}
+// func saveDefaultConfig(c *cli.Context) error {
+// 	return croc.SaveDefaultConfig()
+// }
 
-func send(c *cli.Context) error {
+func send(c *cli.Context) (err error) {
+	var fnames []string
 	stat, _ := os.Stdin.Stat()
-	var fname string
 	if (stat.Mode() & os.ModeCharDevice) == 0 {
 		f, err := ioutil.TempFile(".", "croc-stdin-")
 		if err != nil {
@@ -145,102 +107,91 @@ func send(c *cli.Context) error {
 		if err != nil {
 			return err
 		}
-		fname = f.Name()
+		fnames = []string{f.Name()}
 		defer func() {
-			err = os.Remove(fname)
+			err = os.Remove(fnames[0])
 			if err != nil {
 				log.Println(err)
 			}
 		}()
 	} else {
-		fname = c.Args().First()
+		fnames = append([]string{c.Args().First()}, c.Args().Tail()...)
 	}
-	if fname == "" {
+	if len(fnames) == 0 {
 		return errors.New("must specify file: croc send [filename]")
 	}
-	cr.UseCompression = !c.Bool("no-compress")
-	cr.UseEncryption = !c.Bool("no-encrypt")
+
 	if c.String("code") != "" {
-		cr.Codephrase = c.String("code")
+		cr.Options.SharedSecret = c.String("code")
 	}
-	cr.LoadConfig()
-	if len(cr.Codephrase) == 0 {
+	// cr.LoadConfig()
+	if len(cr.Options.SharedSecret) == 0 {
 		// generate code phrase
-		cr.Codephrase = utils.GetRandomName()
+		cr.Options.SharedSecret = utils.GetRandomName()
 	}
 
-	// print the text
-	finfo, err := os.Stat(fname)
-	if err != nil {
-		return err
-	}
-	fname, _ = filepath.Abs(fname)
-	fname = filepath.Clean(fname)
-	_, filename := filepath.Split(fname)
-	fileOrFolder := "file"
-	fsize := finfo.Size()
-	if finfo.IsDir() {
-		fileOrFolder = "folder"
-		fsize, err = dirSize(fname)
+	paths := []string{}
+	for _, fname := range fnames {
+		stat, err := os.Stat(fname)
 		if err != nil {
 			return err
 		}
+		if stat.IsDir() {
+			err = filepath.Walk(fname,
+				func(pathName string, info os.FileInfo, err error) error {
+					if err != nil {
+						return err
+					}
+					if !info.IsDir() {
+						paths = append(paths, filepath.ToSlash(pathName))
+					}
+					return nil
+				})
+			if err != nil {
+				return err
+			}
+		} else {
+			paths = append(paths, filepath.ToSlash(fname))
+		}
 	}
-	fmt.Fprintf(os.Stderr,
-		"Sending %s %s named '%s'\nCode is: %s\nOn the other computer, please run:\n\ncroc %s\n\n",
-		humanize.Bytes(uint64(fsize)),
-		fileOrFolder,
-		filename,
-		cr.Codephrase,
-		cr.Codephrase,
-	)
-	if cr.Debug {
-		croc.SetDebugLevel("debug")
-	}
-	return cr.Send(fname, cr.Codephrase)
+
+	err = cr.Send(croc.TransferOptions{
+		PathToFiles:      paths,
+		KeepPathInRemote: false,
+	})
+
+	return
 }
 
-func receive(c *cli.Context) error {
+func receive(c *cli.Context) (err error) {
 	if c.GlobalString("code") != "" {
-		cr.Codephrase = c.GlobalString("code")
+		cr.Options.SharedSecret = c.GlobalString("code")
 	}
 	if c.Args().First() != "" {
-		cr.Codephrase = c.Args().First()
+		cr.Options.SharedSecret = c.Args().First()
+	}
+	if cr.Options.SharedSecret == "" {
+		cr.Options.SharedSecret = utils.GetInput("Enter receive code: ")
 	}
 	if c.GlobalString("out") != "" {
 		os.Chdir(c.GlobalString("out"))
 	}
-	cr.LoadConfig()
-	openFolder := false
-	if len(os.Args) == 1 {
-		// open folder since they didn't give any arguments
-		openFolder = true
-	}
-	if cr.Codephrase == "" {
-		cr.Codephrase = utils.GetInput("Enter receive code: ")
-	}
-	if cr.Debug {
-		croc.SetDebugLevel("debug")
-	}
-	err := cr.Receive(cr.Codephrase)
-	if err == nil && openFolder {
-		cwd, _ := os.Getwd()
-		open.Run(cwd)
-	}
-	return err
+
+	err = cr.Receive()
+	return
 }
 
-func relay(c *cli.Context) error {
-	return cr.Relay()
-}
+// func relay(c *cli.Context) error {
+// 	return cr.Relay()
+// }
 
-func dirSize(path string) (int64, error) {
-	var size int64
-	err := filepath.Walk(path, func(_ string, info os.FileInfo, err error) error {
-		if !info.IsDir() {
-			size += info.Size()
-		}
-		return err
-	})
-	return size, err
-}
+// func dirSize(path string) (int64, error) {
+// 	var size int64
+// 	err := filepath.Walk(path, func(_ string, info os.FileInfo, err error) error {
+// 		if !info.IsDir() {
+// 			size += info.Size()
+// 		}
+// 		return err
+// 	})
+// 	return size, err
+// }
diff --git a/src/croc/croc.go b/src/croc/croc.go
index 164032e5..a11dbfc8 100644
--- a/src/croc/croc.go
+++ b/src/croc/croc.go
@@ -54,11 +54,9 @@ func Debug(debug bool) {
 type Client struct {
 	Options Options
 	// basic setup
-	redisdb      *redis.Client
-	log          *logrus.Entry
-	IsSender     bool
-	SharedSecret string
-	Pake         *pake.Pake
+	redisdb *redis.Client
+	log     *logrus.Entry
+	Pake    *pake.Pake
 
 	// steps involved in forming relationship
 	Step1ChannelSecured       bool
@@ -147,20 +145,22 @@ func New(ops Options) (c *Client, err error) {
 	c = new(Client)
 
 	// setup basic info
-	c.IsSender = ops.Sender
-	c.SharedSecret = ops.SharedSecret
-	c.SharedSecret = ops.SharedSecret
-	if sender {
-		c.nameOutChannel = c.SharedSecret + "2"
-		c.nameInChannel = c.SharedSecret + "1"
+	c.Options = ops
+
+	// set channels
+	if c.Options.IsSender {
+		c.nameOutChannel = c.Options.SharedSecret + "2"
+		c.nameInChannel = c.Options.SharedSecret + "1"
 	} else {
-		c.nameOutChannel = c.SharedSecret + "1"
-		c.nameInChannel = c.SharedSecret + "2"
+		c.nameOutChannel = c.Options.SharedSecret + "1"
+		c.nameInChannel = c.Options.SharedSecret + "2"
 	}
 
+	Debug(c.Options.Debug)
+
 	// initialize redis for communication in establishing channel
 	c.redisdb = redis.NewClient(&redis.Options{
-		Addr:         "198.199.67.130:6372",
+		Addr:         c.Options.AddressRelay,
 		Password:     "",
 		DB:           4,
 		WriteTimeout: 1 * time.Hour,
@@ -180,10 +180,10 @@ func New(ops Options) (c *Client, err error) {
 	c.incomingMessageChannel = pubsub.Channel()
 
 	// initialize pake
-	if c.IsSender {
-		c.Pake, err = pake.Init([]byte{1, 2, 3}, 1, elliptic.P521(), 1*time.Microsecond)
+	if c.Options.IsSender {
+		c.Pake, err = pake.Init([]byte(c.Options.SharedSecret), 1, elliptic.P521(), 1*time.Microsecond)
 	} else {
-		c.Pake, err = pake.Init([]byte{1, 2, 3}, 0, elliptic.P521(), 1*time.Microsecond)
+		c.Pake, err = pake.Init([]byte(c.Options.SharedSecret), 0, elliptic.P521(), 1*time.Microsecond)
 	}
 	if err != nil {
 		return
@@ -193,7 +193,7 @@ func New(ops Options) (c *Client, err error) {
 	c.log = log.WithFields(logrus.Fields{
 		"is": "sender",
 	})
-	if !c.IsSender {
+	if !c.Options.IsSender {
 		c.log = log.WithFields(logrus.Fields{
 			"is": "recipient",
 		})
@@ -223,7 +223,7 @@ func (c *Client) Receive() (err error) {
 }
 
 func (c *Client) transfer(options TransferOptions) (err error) {
-	if c.IsSender {
+	if c.Options.IsSender {
 		c.FilesToTransfer = make([]FileInfo, len(options.PathToFiles))
 		totalFilesSize := int64(0)
 		for i, pathToFile := range options.PathToFiles {
@@ -299,7 +299,7 @@ func (c *Client) transfer(options TransferOptions) (err error) {
 
 	// if recipient, initialize with sending pake information
 	c.log.Debug("ready")
-	if !c.IsSender && !c.Step1ChannelSecured {
+	if !c.Options.IsSender && !c.Step1ChannelSecured {
 		err = c.redisdb.Publish(c.nameOutChannel, Message{
 			Type:  "pake",
 			Bytes: c.Pake.Bytes(),
@@ -392,7 +392,7 @@ func (c *Client) processMessage(m Message) (err error) {
 		if err != nil {
 			return
 		}
-		if (notVerified && c.Pake.IsVerified() && !c.IsSender) || !c.Pake.IsVerified() {
+		if (notVerified && c.Pake.IsVerified() && !c.Options.IsSender) || !c.Pake.IsVerified() {
 			err = c.redisdb.Publish(c.nameOutChannel, Message{
 				Type:  "pake",
 				Bytes: c.Pake.Bytes(),
@@ -516,7 +516,7 @@ func (c *Client) processMessage(m Message) (err error) {
 }
 
 func (c *Client) updateState() (err error) {
-	if c.IsSender && c.Step1ChannelSecured && !c.Step2FileInfoTransfered {
+	if c.Options.IsSender && c.Step1ChannelSecured && !c.Step2FileInfoTransfered {
 		var b []byte
 		b, err = json.Marshal(SenderInfo{
 			MachineID:       c.machineID,
@@ -536,7 +536,7 @@ func (c *Client) updateState() (err error) {
 		}
 		c.Step2FileInfoTransfered = true
 	}
-	if !c.IsSender && c.Step2FileInfoTransfered && !c.Step3RecipientRequestFile {
+	if !c.Options.IsSender && c.Step2FileInfoTransfered && !c.Step3RecipientRequestFile {
 		// find the next file to transfer and send that number
 		// if the files are the same size, then look for missing chunks
 		finished := true
@@ -585,7 +585,7 @@ func (c *Client) updateState() (err error) {
 		c.Step3RecipientRequestFile = true
 		err = c.dataChannelReceive()
 	}
-	if c.IsSender && c.Step3RecipientRequestFile && !c.Step4FileTransfer {
+	if c.Options.IsSender && c.Step3RecipientRequestFile && !c.Step4FileTransfer {
 		c.log.Debug("start sending data!")
 		err = c.dataChannelSend()
 		c.Step4FileTransfer = true