import "./tasks/bedtools.wdl" as bedtools workflow {{ project_name }} { File inputSamplesFile File bed_file Array[Array[File]] inputSamples = read_tsv(inputSamplesFile) scatter (sample in inputSamples) { call bedtools.bedtools as bedtools { input: bam=sample[0], bai=sample[1], bed_file=bed_file } } }