nf-core_modules/modules/sourmash/sketch/main.nf

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process SOURMASH_SKETCH {
tag "$meta.id"
label 'process_low'
conda (params.enable_conda ? "bioconda::sourmash=4.2.4" : null)
container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
'https://depot.galaxyproject.org/singularity/sourmash:4.2.4--hdfd78af_0':
'quay.io/biocontainers/sourmash:4.2.4--hdfd78af_0' }"
input:
tuple val(meta), path(sequence)
output:
tuple val(meta), path("*.sig"), emit: signatures
path "versions.yml" , emit: versions
when:
task.ext.when == null || task.ext.when
script:
def args = task.ext.args ?: "dna --param-string 'scaled=1000,k=31'"
def prefix = task.ext.prefix ?: "${meta.id}"
"""
sourmash sketch \\
$args \\
--merge '${prefix}' \\
--output '${prefix}.sig' \\
$sequence
cat <<-END_VERSIONS > versions.yml
"${task.process}":
sourmash: \$(echo \$(sourmash --version 2>&1) | sed 's/^sourmash //' )
END_VERSIONS
"""
}