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nf-core_modules/modules/chromap/chromap/main.nf

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process CHROMAP_CHROMAP {
tag "$meta.id"
label 'process_medium'
conda (params.enable_conda ? "bioconda::chromap=0.1.5 bioconda::samtools=1.14" : null)
container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
'https://depot.galaxyproject.org/singularity/mulled-v2-1f09f39f20b1c4ee36581dc81cc323c70e661633:724a1037d59f6a19c9d4e7bdba77b52b37de0dc3-0' :
'quay.io/biocontainers/mulled-v2-1f09f39f20b1c4ee36581dc81cc323c70e661633:724a1037d59f6a19c9d4e7bdba77b52b37de0dc3-0' }"
input:
tuple val(meta), path(reads)
path fasta
path index
path barcodes
path whitelist
path chr_order
path pairs_chr_order
output:
tuple val(meta), path("*.bed.gz") , optional:true, emit: bed
tuple val(meta), path("*.bam") , optional:true, emit: bam
tuple val(meta), path("*.tagAlign.gz"), optional:true, emit: tagAlign
tuple val(meta), path("*.pairs.gz") , optional:true, emit: pairs
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 args_list = args.tokenize()
def file_extension = args.contains("--SAM") ? 'sam' : args.contains("--TagAlign")? 'tagAlign' : args.contains("--pairs")? 'pairs' : 'bed'
if (barcodes) {
args_list << "-b ${barcodes.join(',')}"
if (whitelist) {
args_list << "--barcode-whitelist $whitelist"
}
}
if (chr_order) {
args_list << "--chr-order $chr_order"
}
if (pairs_chr_order){
args_list << "--pairs-natural-chr-order $pairs_chr_order"
}
def final_args = args_list.join(' ')
def compression_cmds = "gzip -n ${prefix}.${file_extension}"
if (args.contains("--SAM")) {
compression_cmds = """
samtools view $args2 -@ $task.cpus -bh \\
-o ${prefix}.bam ${prefix}.${file_extension}
rm ${prefix}.${file_extension}
"""
}
if (meta.single_end) {
"""
chromap \\
$final_args \\
-t $task.cpus \\
-x $index \\
-r $fasta \\
-1 ${reads.join(',')} \\
-o ${prefix}.${file_extension}
$compression_cmds
cat <<-END_VERSIONS > versions.yml
"${task.process}":
chromap: \$(echo \$(chromap --version 2>&1))
samtools: \$(echo \$(samtools --version 2>&1) | sed 's/^.*samtools //; s/Using.*\$//')
END_VERSIONS
"""
} else {
"""
chromap \\
$final_args \\
-t $task.cpus \\
-x $index \\
-r $fasta \\
-1 ${reads[0]} \\
-2 ${reads[1]} \\
-o ${prefix}.${file_extension}
$compression_cmds
cat <<-END_VERSIONS > versions.yml
"${task.process}":
chromap: \$(echo \$(chromap --version 2>&1))
samtools: \$(echo \$(samtools --version 2>&1) | sed 's/^.*samtools //; s/Using.*\$//')
END_VERSIONS
"""
}
}