Fix an issue with `--help`

LiuzLab / AI_MARRVEL

AI-MARRVEL (AIM) is an AI system for rare genetic disorder diagnosis

GNU General Public License v3.0

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Fix an issue with `--help` #75

Closed hyunhwan-bcm closed 1 month ago

hyunhwan-bcm commented 1 month ago

nextflow run . --help generated an error like this

ERROR ~ Unknown config attribute `params.ref_dir` -- check config file: /Users/hyun-hwanjeong/Workspaces/AI_MARRVEL/nextflow.config

 -- Check '.nextflow.log' file for details

This was due to empty string/null variables being considered undeclared, so I put " " (string with single whitespace) to avoid the error.