nf-core_modules/tests/modules/plink/extract/main.nf

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#!/usr/bin/env nextflow
nextflow.enable.dsl = 2
include { PLINK_VCF } from '../../../../modules/plink/vcf/main.nf' addParams ( options: [args:'--make-bed --set-missing-var-ids @:#:\\$1:\\$2'])
include { PLINK_EXTRACT } from '../../../../modules/plink/extract/main.nf' addParams( options: [suffix:'.extract'] )
workflow test_plink_extract {
input = [
[ id:'test', single_end:false ], // meta map
file(params.test_data['homo_sapiens']['genome']['syntheticvcf_short_vcf_gz'], checkIfExists: true)
]
PLINK_VCF ( input )
PLINK_VCF.out.bim
.splitText(file: 'variants.keep', keepHeader: false, by: 10)
.first()
.set { ch_variants }
PLINK_VCF.out.bed
.concat(PLINK_VCF.out.bim, PLINK_VCF.out.fam.concat(ch_variants))
.groupTuple()
.map{ meta, paths -> [meta, paths[0], paths[1], paths[2], paths[3]] }
.set { ch_extract }
PLINK_EXTRACT ( ch_extract )
}