diff --git a/config/options.go b/config/options.go
index 1abf9ee..57f08cd 100644
--- a/config/options.go
+++ b/config/options.go
@@ -1,56 +1,71 @@
 package config
 
 import (
+	"net/url"
+
 	"github.com/cloudfoundry/jibber_jabber"
 	"github.com/writeas/writeas-cli/log"
 	cli "gopkg.in/urfave/cli.v1"
 )
 
 // Application constants.
 const (
 	Version          = "2.0"
 	defaultUserAgent = "writeas-cli v" + Version
 	// Defaults for posts on Write.as.
 	DefaultFont    = PostFontMono
 	WriteasBaseURL = "https://write.as"
 	DevBaseURL     = "https://development.write.as"
 	TorBaseURL     = "http://writeas7pm7rcdqg.onion"
 )
 
 func UserAgent(c *cli.Context) string {
 	ua := c.String("user-agent")
 	if ua == "" {
 		return defaultUserAgent
 	}
 	return ua + " (" + defaultUserAgent + ")"
 }
 
 func IsTor(c *cli.Context) bool {
 	return c.Bool("tor") || c.Bool("t")
 }
 
 func Language(c *cli.Context, auto bool) string {
 	if l := c.String("lang"); l != "" {
 		return l
 	}
 	if !auto {
 		return ""
 	}
 	// Automatically detect language
 	l, err := jibber_jabber.DetectLanguage()
 	if err != nil {
 		log.Info(c, "Language detection failed: %s", err)
 		return ""
 	}
 	return l
 }
 
 func Collection(c *cli.Context) string {
 	if coll := c.String("c"); coll != "" {
 		return coll
 	}
 	if coll := c.String("b"); coll != "" {
 		return coll
 	}
 	return ""
 }
+
+// HostDirectory returns the sub directory string for the host flag if set
+func HostDirectory(c *cli.Context) (string, error) {
+	if host := c.GlobalString("host"); host != "" {
+		u, err := url.Parse(host)
+		if err != nil {
+			return "", err // TODO
+		}
+		return u.Hostname(), nil
+	}
+
+	return "", nil
+}