nf-core_modules/modules/plink/extract/main.nf
2022-02-04 09:53:32 +01:00

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process PLINK_EXTRACT {
tag "$meta.id"
label 'process_low'
conda (params.enable_conda ? "bioconda::plink=1.90b6.21" : null)
container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
'https://depot.galaxyproject.org/singularity/plink:1.90b6.21--h779adbc_1' :
'quay.io/biocontainers/plink:1.90b6.21--h779adbc_1' }"
input:
tuple val(meta), path(bed), path(bim), path(fam), path(variants)
output:
tuple val(meta), path("*.bed"), emit: bed
tuple val(meta), path("*.bim"), emit: bim
tuple val(meta), path("*.fam"), emit: fam
path "versions.yml" , emit: versions
when:
task.ext.when == null || task.ext.when
script:
def args = task.ext.args ?: ''
def prefix = task.ext.prefix ?: "${meta.id}"
if( "$bed" == "${prefix}.bed" ) error "Input and output names are the same, use \"task.ext.prefix\" to disambiguate!"
"""
plink \\
--bfile ${meta.id} \\
$args \\
--extract $variants \\
--threads $task.cpus \\
--make-bed \\
--out $prefix
cat <<-END_VERSIONS > versions.yml
"${task.process}":
plink: \$(echo \$(plink --version) | sed 's/^PLINK v//;s/64.*//')
END_VERSIONS
"""
}