bam_file <- system.file("extdata", "accepted_hits.bam", package="rbamtools")
reader<-bamReader(bam_file)
isOpen(reader)
header<-getHeader(reader)
readGroup<-getHeaderProgram(header)
getVal(readGroup,"ID")
setVal(readGroup,"ID","newID")
l<-as.list(readGroup)
txt<-getHeaderText(readGroup)
bamClose(reader)
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