nf-core_modules/modules/seqtk/rename/main.nf
Hunter Seabolt a69faefee8
Seqtk rename (#1304)
* Added seqtk/rename module and tests code

* Updated files and testing code for seqtk rename

* Added meta map to seqtk/rename module def

* updated prefix parameter usage

* updated test.yml to remove local filepaths --> change to output

* Added empty line to main.nf
2022-02-16 17:28:08 +01:00

40 lines
1.1 KiB
Text

process SEQTK_RENAME {
tag "$meta.id"
label 'process_low'
conda (params.enable_conda ? "bioconda::seqtk=1.3" : null)
container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
'https://depot.galaxyproject.org/singularity/seqtk:1.3--h5bf99c6_3' :
'quay.io/biocontainers/seqtk:1.3--h5bf99c6_3' }"
input:
tuple val(meta), path(sequences)
output:
tuple val(meta), path("*.gz") , emit: sequences
path "versions.yml" , emit: versions
when:
task.ext.when == null || task.ext.when
script:
def args = task.ext.args ?: ''
def prefix = task.ext.prefix ?: "${meta.id}"
def extension = "fasta"
if ("$sequences" ==~ /.+\.fq|.+\.fq.gz|.+\.fastq|.+\.fastq.gz/) {
extension = "fastq"
}
"""
seqtk \\
rename \\
$args \\
$sequences \\
$prefix | \\
gzip -c --no-name > ${prefix}.renamed.${extension}.gz
cat <<-END_VERSIONS > versions.yml
"${task.process}":
seqtk: \$(echo \$(seqtk 2>&1) | sed 's/^.*Version: //; s/ .*\$//')
END_VERSIONS
"""
}