title: ZSH: command not found
body: <p>I want to execute command gclient. I have already included its location in PATH. But I cannot directly execute it by command. Can someone tell me why?</p>
  
  <pre><code>~
  ❯ echo $PATH
  /User/merle/depot_tools:/Users/merle/.nvm/versions/node/v11.10.0/bin:/usr/local/opt/mysql@5.5/bin:/Library/Frameworks/Python.framework/Versions/3.5/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Library/TeX/texbin:/opt/X11/bin:/Library/Frameworks/Mono.framework/Versions/Current/Commands
  
  ~
  ❯ ls depot_tools | grep gclient
  README.gclient.md
  annotated_gclient.py
  gclient
  gclient-new-workdir.py
  gclient.bat
  gclient.py
  gclient_completion.sh
  gclient_eval.py
  gclient_paths.py
  gclient_scm.py
  gclient_utils.py
  
  ~
  ❯ gclient
  zsh: command not found: gclient
  
  ~
  ❯ cd depot_tools
  
  ~/depot_tools master
  ❯ ./gclient
  Usage: gclient.py &lt;command&gt; [options]
  
  Meta checkout dependency manager for Git.
  
  Commands are:.......
  </code></pre>