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Filter out empty fastqs#71

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matrulda wants to merge 1 commit intoMolmed:mainfrom
matrulda:DATAOPS-1484_skip_empty_fastqs
Open

Filter out empty fastqs#71
matrulda wants to merge 1 commit intoMolmed:mainfrom
matrulda:DATAOPS-1484_skip_empty_fastqs

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@matrulda
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Description
BCLConvert create fastq files for samples even in cases where no reads are assigned to the sample, resulting in empty fastq files. This break fastq_screen.

This PR adds a filter to remove empty fastqs from the channel.

Risk analysis
No risks identified. Unit tests seem to confirm that the filter is working properly.

Validation procedure
Test data updated with a set of empty fastq files. I could confirm that the pipeline failed before the change to main.nf but not after. Will also be verified in https://snpseq.atlassian.net/wiki/spaces/AR/pages/3983933457/Verification+of+snpseq_packs+v9.0.0

@matrulda matrulda requested a review from nkongenelly February 18, 2026 12:27
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Looks good.

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