ch_input_sample = extract_csv(file(params.input, checkIfExists: true))
[ [ patient:test, sample:test, sex:XX, status:0, id:test-test_L1, numLanes:1, read_group:"@RG\tID:null.test.test_L1\tPU:test_L1\tSM:test_test\tLB:test\tDS:test_data/data/genomics/homo_sapiens/genome/genome.fasta\tPL:ILLUMINA", data_type:fastq, size:1 ], [ /ssd1/wy/workspace/sarek/test_data/test_1.fastq.gz, /ssd1/wy/workspace/sarek/test_data/test_2.fastq.gz ] ]