readme -o example

README.md

@@ -15,6 +15,24 @@ go get -u github.com/assafmo/xioc
 
 ## Command line
 
+```bash
+$ xioc -h
+Usage xioc:
+  -o string
+        Extract only specified types.
+        Types must be comma seperated. E.g: xioc -o "ip4,domain,url,md5"
+        Available types:
+                - ip4
+                - ip6
+                - domain
+                - url
+                - email
+                - md5
+                - sha1
+                - sha256
+  -v    Print version and exit
+```
+
 ```bash
 $ lynx -dump https://unit42.paloaltonetworks.com/digital-quartermaster-scenario-demonstrated-in-attacks-against-the-mongolian-government/ | xioc
 sha256  5beb50d95c1e720143ca0004f5172cb8881d75f6c9f434ceaff59f34fa1fe378
@@ -27,10 +45,20 @@ sha256  44dbf05bc81d17542a656525772e0f0973b603704f213278036d8ffc999bb79a
 sha256  91ffe6fab7b33ff47b184b59356408951176c670cad3afcde79aa8464374acd3
 sha256  6f3d4fb64de9ae61776fd19a8eba3d1d828e7e26bb89ace00c7843a57c5f6e8a
 domain  masm.gov.mn
+# ...
+```
+
+```bash
+$ lynx -dump https://unit42.paloaltonetworks.com/digital-quartermaster-scenario-demonstrated-in-attacks-against-the-mongolian-government/ | xioc -o email,sha256
+sha256  5beb50d95c1e720143ca0004f5172cb8881d75f6c9f434ceaff59f34fa1fe378
+email   altangadas@energy.gov.mn
+sha256  10090692ff40758a08bd66f806e0f2c831b4b9742bbf3d19c250e778de638f57
+email   ganbat_g@bpo.gov.mn
+sha256  44dbf05bc81d17542a656525772e0f0973b603704f213278036d8ffc999bb79a
+sha256  91ffe6fab7b33ff47b184b59356408951176c670cad3afcde79aa8464374acd3
+sha256  6f3d4fb64de9ae61776fd19a8eba3d1d828e7e26bb89ace00c7843a57c5f6e8a
 email   bilguun@masm.gov.mn
 sha256  e88ea5eb642eaf832f8399d0337ba9eb1563862ddee68c26a74409a7384b9bb9
-domain  yahoo.com
-domain  mod.gov.mn
 email   davaa_ayush@yahoo.com
 # ...
 ```