diff --git a/cli.go b/cli.go
index d857ec0..751f41e 100644
--- a/cli.go
+++ b/cli.go
@@ -1,267 +1,287 @@
 package main
 
 import (
 	"bufio"
 	"bytes"
 	"fmt"
 	"github.com/codegangsta/cli"
 	"io"
 	"io/ioutil"
 	"log"
 	"net/http"
 	"net/url"
 	"os"
 	"strconv"
+	"strings"
 )
 
 const (
 	apiUrl       = "http://i.write.as"
 	hiddenApiUrl = "http://writeas7pm7rcdqg.onion"
 	readApiUrl   = "http://i.write.as"
 	VERSION      = "0.1.0"
 )
 
 func main() {
+	initialize()
+
+	// Run the app
 	app := cli.NewApp()
 	app.Name = "writeas"
 	app.Version = VERSION
 	app.Usage = "Simple text pasting and publishing"
 	app.Authors = []cli.Author{
 		{
 			Name:  "Write.as",
 			Email: "hello@write.as",
 		},
 	}
 	app.Action = cmdPost
 	app.Flags = []cli.Flag{
 		cli.BoolFlag{
 			Name:  "tor, t",
 			Usage: "Perform action on Tor hidden service",
 		},
 	}
 	app.Commands = []cli.Command{
 		{
 			Name:   "post",
 			Usage:  "Alias for default action: create post from stdin",
 			Action: cmdPost,
 			Flags: []cli.Flag{
 				cli.BoolFlag{
 					Name:  "tor, t",
 					Usage: "Post to Tor hidden service",
 				},
 			},
 		},
 		{
 			Name:   "delete",
 			Usage:  "Delete a post",
 			Action: cmdDelete,
 			Flags: []cli.Flag{
 				cli.BoolFlag{
 					Name:  "tor, t",
 					Usage: "Delete from Tor hidden service",
 				},
 			},
 		},
 		{
 			Name:   "get",
 			Usage:  "Read a raw post",
 			Action: cmdGet,
 			Flags: []cli.Flag{
 				cli.BoolFlag{
 					Name:  "tor, t",
 					Usage: "Get from Tor hidden service",
 				},
 			},
 		},
 	}
 
 	app.Run(os.Args)
 }
 
+func initialize() {
+	// Ensure we have a data directory to use
+	if !dataDirExists() {
+		createDataDir()
+	}
+}
+
 func readStdIn() []byte {
 	numBytes, numChunks := int64(0), int64(0)
 	r := bufio.NewReader(os.Stdin)
 	fullPost := []byte{}
 	buf := make([]byte, 0, 1024)
 	for {
 		n, err := r.Read(buf[:cap(buf)])
 		buf = buf[:n]
 		if n == 0 {
 			if err == nil {
 				continue
 			}
 			if err == io.EOF {
 				break
 			}
 			log.Fatal(err)
 		}
 		numChunks++
 		numBytes += int64(len(buf))
 
 		fullPost = append(fullPost, buf...)
 		if err != nil && err != io.EOF {
 			log.Fatal(err)
 		}
 	}
 
 	return fullPost
 }
 
 func check(err error) {
 	if err != nil {
 		fmt.Printf("%s\n", err)
 		os.Exit(1)
 	}
 }
 
 func getPass() []byte {
 	// TODO: don't show passphrase in the terminal
 	var p string
 	_, err := fmt.Scanln(&p)
 	check(err)
 	return []byte(p)
 }
 
 func cmdPost(c *cli.Context) {
 	fullPost := readStdIn()
 
 	tor := c.Bool("tor") || c.Bool("t")
 	if tor {
 		fmt.Println("Posting to hidden service...")
 	} else {
 		fmt.Println("Posting...")
 	}
 
 	DoPost(fullPost, false, tor)
 }
 
 func cmdDelete(c *cli.Context) {
 	friendlyId := c.Args().Get(0)
 	token := c.Args().Get(1)
 	if friendlyId == "" || token == "" {
 		fmt.Println("usage: writeas delete <postId> <token>")
 		os.Exit(1)
 	}
 
 	tor := c.Bool("tor") || c.Bool("t")
 
 	DoDelete(friendlyId, token, tor)
 }
 
 func cmdGet(c *cli.Context) {
 	friendlyId := c.Args().Get(0)
 	if friendlyId == "" {
 		fmt.Println("usage: writeas get <postId>")
 		os.Exit(1)
 	}
 
 	tor := c.Bool("tor") || c.Bool("t")
 
 	DoFetch(friendlyId, tor)
 }
 
 func client(read, tor bool, path, query string) (string, *http.Client) {
 	var u *url.URL
 	var client *http.Client
 	if tor {
 		u, _ = url.ParseRequestURI(hiddenApiUrl)
 		if read {
 			u.Path = "/" + path
 		} else {
 			u.Path = "/api"
 		}
 		client = torClient()
 	} else {
 		if read {
 			u, _ = url.ParseRequestURI(readApiUrl)
 		} else {
 			u, _ = url.ParseRequestURI(apiUrl)
 		}
 		u.Path = "/" + path
 		client = &http.Client{}
 	}
 	if query != "" {
 		u.RawQuery = query
 	}
 	urlStr := fmt.Sprintf("%v", u)
 
 	return urlStr, client
 }
 
 func DoFetch(friendlyId string, tor bool) {
 	path := friendlyId
 	if len(friendlyId) == 12 {
 		// Original (pre-alpha) plain text URLs
 		path = friendlyId
 	} else if len(friendlyId) == 13 {
 		// Alpha phase HTML-based URLs
 		path = friendlyId + ".txt"
 	} else {
 		// Fallback path. Plan is to always support .txt file for raw files
 		path = friendlyId + ".txt"
 	}
 
 	urlStr, client := client(true, tor, path, "")
 
 	r, _ := http.NewRequest("GET", urlStr, nil)
 	r.Header.Add("User-Agent", "writeas-cli v"+VERSION)
 
 	resp, err := client.Do(r)
 	check(err)
 	defer resp.Body.Close()
 
 	if resp.StatusCode == http.StatusOK {
 		content, err := ioutil.ReadAll(resp.Body)
 		check(err)
 		fmt.Printf("%s\n", string(content))
 	} else {
 		fmt.Printf("Problem getting post: %s\n", resp.Status)
 	}
 }
 
 func DoPost(post []byte, encrypt, tor bool) {
 	data := url.Values{}
 	data.Set("w", string(post))
 	if encrypt {
 		data.Add("e", "")
 	}
 
 	urlStr, client := client(false, tor, "", "")
 
 	r, _ := http.NewRequest("POST", urlStr, bytes.NewBufferString(data.Encode()))
 	r.Header.Add("Content-Type", "application/x-www-form-urlencoded")
 	r.Header.Add("Content-Length", strconv.Itoa(len(data.Encode())))
 
 	resp, err := client.Do(r)
 	check(err)
 	defer resp.Body.Close()
 
 	if resp.StatusCode == http.StatusOK {
 		content, err := ioutil.ReadAll(resp.Body)
 		check(err)
-		fmt.Printf("%s\n", string(content))
+
+		nlPos := strings.Index(string(content), "\n")
+		url := content[:nlPos]
+		idPos := strings.LastIndex(string(url), "/") + 1
+		id := string(url[idPos:])
+		token := string(content[nlPos+1:])
+
+		addPost(id, token)
+
+		fmt.Printf("%s\n", url)
 	} else {
 		fmt.Printf("Unable to post: %s\n", resp.Status)
 	}
 }
 
 func DoDelete(friendlyId, token string, tor bool) {
 	urlStr, client := client(false, tor, "", fmt.Sprintf("id=%s&t=%s", friendlyId, token))
 
 	r, _ := http.NewRequest("DELETE", urlStr, nil)
 	r.Header.Add("Content-Type", "application/x-www-form-urlencoded")
 
 	resp, err := client.Do(r)
 	check(err)
 	defer resp.Body.Close()
 
 	if resp.StatusCode == http.StatusOK {
 		if tor {
 			fmt.Println("Post deleted from hidden service.")
 		} else {
 			fmt.Println("Post deleted.")
 		}
 	} else {
 		fmt.Printf("Problem deleting: %s\n", resp.Status)
 	}
 }
diff --git a/posts.go b/posts.go
new file mode 100644
index 0000000..b9a763a
--- /dev/null
+++ b/posts.go
@@ -0,0 +1,38 @@
+package main
+
+import (
+	"fmt"
+	"github.com/writeas/writeas-cli/utils"
+	"os"
+)
+
+const (
+	POSTS_FILE = "posts.psv"
+	SEPARATOR  = `|`
+)
+
+func userDataDir() string {
+	return fmt.Sprintf("%s/%s", parentDataDir(), DATA_DIR_NAME)
+}
+
+func dataDirExists() bool {
+	return fileutils.Exists(userDataDir())
+}
+
+func createDataDir() {
+	os.Mkdir(userDataDir(), 0700)
+}
+
+func addPost(id, token string) {
+	f, err := os.OpenFile(userDataDir()+"/"+POSTS_FILE, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0600)
+	if err != nil {
+		panic(err)
+	}
+	defer f.Close()
+
+	l := fmt.Sprintf("%s%s%s\n", id, SEPARATOR, token)
+
+	if _, err = f.WriteString(l); err != nil {
+		panic(err)
+	}
+}
diff --git a/posts_nix.go b/posts_nix.go
new file mode 100644
index 0000000..fb1fabc
--- /dev/null
+++ b/posts_nix.go
@@ -0,0 +1,18 @@
+// +build !windows
+
+package main
+
+import (
+	"github.com/mitchellh/go-homedir"
+)
+
+const DATA_DIR_NAME = ".writeas"
+
+func parentDataDir() string {
+	dir, err := homedir.Dir()
+	if err != nil {
+		panic(err)
+	}
+
+	return dir
+}
diff --git a/posts_win.go b/posts_win.go
new file mode 100644
index 0000000..d52c613
--- /dev/null
+++ b/posts_win.go
@@ -0,0 +1,14 @@
+// +build windows
+
+package main
+
+import (
+	"github.com/luisiturrios/gowin"
+)
+
+const DATA_DIR_NAME = "Write.as"
+
+func parentDataDir() string {
+	folders := gowin.ShellFolders{gowin.USER}
+	return folders.AppData()
+}
diff --git a/utils/fileutils.go b/utils/fileutils.go
new file mode 100644
index 0000000..c0b4d08
--- /dev/null
+++ b/utils/fileutils.go
@@ -0,0 +1,13 @@
+package fileutils
+
+import (
+	"os"
+)
+
+// Exists returns whether or not the given file exists
+func Exists(p string) bool {
+	if _, err := os.Stat(p); err == nil {
+		return true
+	}
+	return false
+}