_     _                       
          | |   | |                      
 ___ _   _| |__ | | _____ _   ___      __
/ __| | | | '_ \| |/ / _ \ | | \ \ /\ / /
\__ \ |_| | |_) |   <  __/ |_| |\ V  V / 
|___/\__,_|_.__/|_|\_\___|\__, | \_/\_/  
                           __/ |         
                          |___/          

Installing

$ go install -v github.com/dvvedz/subkeyw@latest

Usage

Usage of subkeyw:
  -dashes
    	include words with dashes, otherwise these are removed.
  -file string
    	takes a file with a list of subdomains

Example

subs.txt

api-test-dev1ish.target.com
a-test.target.com
api-blah.target.com
meh-blah.dev.target.com

$ cat subs.txt | subkeyw

api
test
dev1ish
a
blah
meh
dev

Usage

$ cat subs.txt | subkeyw 

$ subkeyw -file subs.txt

Known problems

For some reason stdin does not work on my droplet, but works fine on macos as intended...