How to take random a line from txt and remove?

[underwear]

I have specified profile information to pick up, how to take random a line from txt and remove the line? Thank you!

 

[rostonix]

http://zennolab.com/discussion/showthread.php?5172-Take-random-line

 

[underwear]

http://zennolab.com/discussion/showthread.php?5172-Take-random-line

Thank you, but i can't find, can you make a photo or video? I very much appreciated.

 

[rostonix]

Without sound and with russian interface )

http://screencast.com/t/pp69gsiZtXz

Then you use this Variable in template.