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Appropriate LB parameter replacement (AddOrReplaceReadGroups) if starting with paired fastq files

Greeting All.

I am starting with paired fastq WGS files and cannot obtain information about what library was used for prep. To the best of my knowledge, each file represents a single sample (r1 or r2) and is the result of a single run.

I would like to add the readgroup information (picard AddOrReplaceReadGroups) and am searching for an appropriate library identifier when the original information is gone forever. My question is very similar to -- but not quite...

I could cobble together some items from the fastq headers (e.g., @D00687:89:CBV1EANXX:2:2201:1088:2049 1:N:0:ACTATGCA) but I don't know if that is copacetic. Guidance is appreciated.


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