title: Run script on mac prompt "Permission denied"
body: <p>I'm new to mac with not familiar on terminal command, i put the <code>dvtcolorconvert.rb</code> file on root directory of my volume, this ruby script can converting xcode 3 themes into xcode 4 themes format, which is <code>xxxxxxxx.dvtcolortheme</code> format.  </p>
  
  <p>Then run the script <code>/dvtcolorconvert.rb ~/Themes/ObsidianCode.xccolortheme</code> on terminal, but it's always prompt "<em>Permission denied</em>".</p>
  
  <p>what's wrong with this? Anybody can help me solve this problem? Thanks.</p>