Program to organise entries in a text file alphabetically
 

http://fulloffacts.com/get/datos-de-tangos.txt.gz

I'm looking for a program that will organise the contents of the above file. It is grouped into parts, and the individual parts must remain the same/intact. only the FIRST LINE must be used as a candidate for alphabetising.

Anybody know of such a program? Is this hard to do? Anybody want to do it for me :D and save me a headache?

Hey There,

sed and/or awk should be able to do that for you

Best wishes,

Mike