====== Groovy Shell Scripting ======
  * [[http://www.slideshare.net/sascha_klein/groovy-on-the-shell|Groovy on the Shell]]
  * [[http://www.joergm.com/2010/09/executing-shell-commands-in-groovy/|Executing shell commands in Groovy]]
  * [[https://www.eriwen.com/groovy/groovy-shell-scripts/|Get groovy for better shell scripts]]
<code groovy>
"명령 문자열".execute().text
// or
["mkdir", "-p", "/tmp/help"].execute().text
</code>