Params outdir should *not* end with a trailing slash

[pditommaso]

showcase-automation/launch_pipelines.py

Lines 111 to 112 in 9be9436

	if not outdir.endswith("/"):
	outdir += "/"

The outdir parameter should not end with a training slashed because this value is expected to be used as a prefix for other directory paths using the pattern ${params.outdir}/foo/bar and therefore, the trailing slash with result in double slashes

See for example

https://github.com/nf-core/rnaseq/blob/b89fac32650aacc86fcda9ee77e00612a1d77066/conf/modules.config#L54

https://github.com/nf-core/rnaseq/blob/b89fac32650aacc86fcda9ee77e00612a1d77066/conf/modules.config#L63

https://github.com/nf-core/rnaseq/blob/b89fac32650aacc86fcda9ee77e00612a1d77066/conf/modules.config#L71

[adamrtalbot]

It's true but it fails validation with nf-validation before it can reach those string formatting steps. PR is open here but we're struggling to test properly right now. Once it's done we can remove this.

[adamrtalbot]

nextflow-io/nf-validation#171 is merged and released. Once tested we can remove this line.