Compressing a text file using count of continous characters

[Marc 'BlackJack' Rintsch]

On Fri, 14 Dec 2007 08:54:58 -0800, nirvana wrote:

> I need to count the number of continous character occurances(more than
> 1) in a file, and replace it with a compressed version, like below
> XYZAAAAAAAADEFAAcdAA --> XYZ8ADEF2Acd2A

Great.  Then go ahead an implement it.  :-)

`itertools.groupby()` might be handy.

And you have to think about digits in the source if that's allowed.

Ciao,
	Marc 'BlackJack' Rintsch