nf-core_modules/modules/samtools/index/main.nf

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process SAMTOOLS_INDEX {
tag "$meta.id"
label 'process_low'
conda (params.enable_conda ? "bioconda::samtools=1.14" : null)
container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
'https://depot.galaxyproject.org/singularity/samtools:1.14--hb421002_0' :
'quay.io/biocontainers/samtools:1.14--hb421002_0' }"
input:
tuple val(meta), path(input)
output:
tuple val(meta), path("*.bam" , includeInputs:true), path("*.bai") , optional:true, emit: bam_bai
tuple val(meta), path("*.bai") , optional:true, emit: bai
tuple val(meta), path("*.bam" , includeInputs:true), path("*.csi") , optional:true, emit: bam_csi
tuple val(meta), path("*.csi") , optional:true, emit: csi
tuple val(meta), path("*.cram", includeInputs:true), path("*.crai"), optional:true, emit: cram_crai
tuple val(meta), path("*.crai") , optional:true, emit: crai
path "versions.yml" , emit: versions
script:
def args = task.ext.args ?: ''
"""
samtools index -@ ${task.cpus-1} $args $input
cat <<-END_VERSIONS > versions.yml
"${task.process}":
samtools: \$(echo \$(samtools --version 2>&1) | sed 's/^.*samtools //; s/Using.*\$//')
END_VERSIONS
"""
}