title: How to set Environment Variable for NLTK in Mac?
body: <p>I recently downloaded nltk_data in Macintosh HD 2 (Renamed "External") since my main HD is out of memory, can someone help me in setting environment variables for the same? I tried the following in my .bash_profile however it just runs temporarily till bash runs, I need to make the change permanent:</p>
  
  <pre><code>PATH="$/Volumes/External/bin:$PATH"
  export PATH
  </code></pre>