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-G does not behave as expected, i.e. as -g for R2. #692
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This may be easy to overlook, but it is documented in the section about demultiplexing:
I wonder how to improve this. I think the first step is to print a warning when trying to demultiplex and no adapters were provided for R1. |
Thanks for the clarification. I finally did wind up cheating by swapping the reads, which is totally okay by the way. I think your proposal for a warning makes a lot of sense. My script will then have to swap the reads back from [2,1] to [1,2] in a downstream process, but it's not at all broken. Cheers. |
I’ll also see whether I can make it so that you can specify |
It doesn't seem that switching -g to -G, and also switching the order of the reads results in the same results.
This results in everything going to files with
unknown
in the variable portion of the name.However, when I switch around
-g
to-G
, and switch places ofread1
andread2
, adapter trimming works as expected.❯ conda --version
conda 22.11.1
❯ cutadapt --version
4.3
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