[BioC] how to get the quality score system information from the reads

[wang peter]

i remember the shortread package can identify the read score system is
phred+33 or 64

if i use

reads <- yield(inFh)
or reads <- readFastq(fastqfile);\

how can i get that information from the reads?

thank you

-- 
shan gao
Room 231(Dr.Fei lab)
Boyce Thompson Institute
Cornell University
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