[CentOS] text to html

my own solution: http://pastebin.com/raw.php?i=kqQXCpD5

> input:
> http://pastebin.com/raw.php?i=MqPXZwc3
> 
> output:
> http://pastebin.com/raw.php?i=8QCkp4yv
> 
> it will be a long day.. :D
> 
> could someone please help with it?
> 
> i have to make a "one liner" that get's the input, and gives the
> mentioned output.
>