Use nf-validation to initiate and validate a pipeline
print_help
Print help message and exit
workflow_command
The command to run the workflow e.g. “nextflow run main.nf”
pre_help_text
Text to print before the help message
post_help_text
Text to print after the help message
validate_params
Validate the parameters and error if invalid.
schema_filename
The filename of the schema to validate against.
dummy_emit
Dummy emit to make nf-core subworkflows lint happy
