Fix exception when the stdout file do not exist
Fix exception when the stdout file do not exist

heuermh/nextflow,nextflow-io/nextflow,robsyme/nextflow,heuermh/nextflow,nextflow-io/nextflow,robsyme/nextflow,nextflow-io/nextflow,nextflow-io/nextflow,robsyme/nextflow,nextflow-io/nextflow,heuermh/nextflow,heuermh/nextflow,heuermh/nextflow,robsyme/nextflow,robsyme/nextflow