Bioperl: generating sequence from IUB Base codes

[Olivier Dugas]

	Hello,

I'm trying to write a script wich is able to generate all sequences with
real bases (ATGC) from one sequence with IUB codes (Y,S,R etc...).
I think it's not hard but I have spend so much time on this task without
more result than :
seq file - > out file
AYRT->		A
		CT
		AG
		T
There's some script wich can help me ?

Olivier DUGAS.
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