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process SPLIT {
tag "$meta.id"
label 'small_mem_mono_cpus'
input:
tuple val(meta), path(fastq)
output:
tuple val(meta), path("*.fastq.gz"), emit: fastq
path "versions.yml" , emit: versions
script:
def args = task.ext.args ?: ''
"""
zcat ${fastq} | split -l 4000000 - ${fastq.simpleName}_
ls -l ${fastq.simpleName}_* | \\
awk '{system("if [\$((wc -l "\$9")) -ne 4000000]; then exit 1; fi")}'
ls -l ${fastq.simpleName}_* | \\
awk '{system("gzip -c "\$9" > "\$9".fastq.gz && rm "\$9)}'
cat <<-END_VERSIONS > versions.yml
"${task.process}":
split: v1.35.0
END_VERSIONS
"""
}