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Custom file validator over output object #42

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thejmazz opened this issue Aug 17, 2016 · 0 comments
Open

Custom file validator over output object #42

thejmazz opened this issue Aug 17, 2016 · 0 comments

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@thejmazz
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thejmazz commented Aug 17, 2016

This means to be able to pass a custom file validator on a per task basis, something like:

const mytask = task({
  input: '*.sra',
  output: '*.vcf'
  validators: (file) => vcf(file).hasSNPs(25) // reject if < 25 SNPs with imaginary API
  operation: ({ input, context }) => `sometool ${input} -o ${context.sample}`
})

It will also need to handle multiple output types and how to set up validators for each one.

(Also I just made up that context thing - but maybe some way to pass current sample through tasks in a multiple input pipeline? in any way, it is always a little awkward hard coding output filenames in tasks - could have done sample.vcf for example)

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