process {

    publishDir = { "${params.outdir}/${task.process.tokenize(':')[-1].tokenize('_')[0].toLowerCase()}" }

    withName: PLINK_VCF {
        ext.args = '--make-bed --set-missing-var-ids @:#:\\$1:\\$2'
    }

    withName: PLINK_EXTRACT {
        ext.prefix = { "${meta.id}.extract" }
    }

}