in reply to (GOLF) Randomizing lines

39 chars:
  
perl -ne'splice@l,rand$.,0,$_}{print@l'

[download]
And here's a nicely obfuscated one at 49:
  
perl -ne'@=[~~@=,$=]=($=[$==rand$.],$_)}{print@='

[download]
   MeowChow                                   
               s aamecha.s a..a\u$&owag.print

In Section Meditations