nf-core_modules/modules/samtools/bam2fq/main.nf

56 lines
1.6 KiB
Text

process SAMTOOLS_BAM2FQ {
tag "$meta.id"
label 'process_low'
conda (params.enable_conda ? "bioconda::samtools=1.15.1" : null)
container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
'https://depot.galaxyproject.org/singularity/samtools:1.15.1--h1170115_0' :
'quay.io/biocontainers/samtools:1.15.1--h1170115_0' }"
input:
tuple val(meta), path(inputbam)
val split
output:
tuple val(meta), path("*.fq.gz"), emit: reads
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 (split){
"""
samtools \\
bam2fq \\
$args \\
-@ $task.cpus \\
-1 ${prefix}_1.fq.gz \\
-2 ${prefix}_2.fq.gz \\
-0 ${prefix}_other.fq.gz \\
-s ${prefix}_singleton.fq.gz \\
$inputbam
cat <<-END_VERSIONS > versions.yml
"${task.process}":
samtools: \$(echo \$(samtools --version 2>&1) | sed 's/^.*samtools //; s/Using.*\$//')
END_VERSIONS
"""
} else {
"""
samtools \\
bam2fq \\
$args \\
-@ $task.cpus \\
$inputbam | gzip --no-name > ${prefix}_interleaved.fq.gz
cat <<-END_VERSIONS > versions.yml
"${task.process}":
samtools: \$(echo \$(samtools --version 2>&1) | sed 's/^.*samtools //; s/Using.*\$//')
END_VERSIONS
"""
}
}