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

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process IVAR_CONSENSUS {
tag "$meta.id"
label 'process_medium'
conda (params.enable_conda ? "bioconda::ivar=1.3.1" : null)
container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
'https://depot.galaxyproject.org/singularity/ivar:1.3.1--h089eab3_0' :
'quay.io/biocontainers/ivar:1.3.1--h089eab3_0' }"
input:
tuple val(meta), path(bam)
path fasta
val save_mpileup
output:
tuple val(meta), path("*.fa") , emit: fasta
tuple val(meta), path("*.qual.txt"), emit: qual
tuple val(meta), path("*.mpileup") , optional:true, emit: mpileup
path "versions.yml" , emit: versions
when:
task.ext.when == null || task.ext.when
script:
def args = task.ext.args ?: ''
def args2 = task.ext.args2 ?: ''
def prefix = task.ext.prefix ?: "${meta.id}"
def mpileup = save_mpileup ? "| tee ${prefix}.mpileup" : ""
"""
samtools \\
mpileup \\
--reference $fasta \\
$args2 \\
$bam \\
$mpileup \\
| ivar \\
consensus \\
$args \\
-p $prefix
cat <<-END_VERSIONS > versions.yml
"${task.process}":
ivar: \$(echo \$(ivar version 2>&1) | sed 's/^.*iVar version //; s/ .*\$//')
END_VERSIONS
"""
}