Has anyone done a tool part of which simply takes in a data collection and 
provides it (symlinked) in a corresponding output data collection?  We have a 
quality control tool that enables us to stop workflow, preventing subsequent 
jobs to be run if a problem has been detected.  Currently our tool only 
sym-links through an individual dataset.  It would be great if it could work on 
a whole data collection of any sort.

I see there’s a <collections> tag now – is there an easy solution using this – 
and that doesn’t loose metadata?

<collection name=“genericCollectionSymlink" label=“Workflow datasets”>
   <discover_datasets pattern=???????????? visible="true"  

At moment we use parameters for format_source="workflow_files" 
metadata_source=“workflow_files” to pass through all the info on an input 

   <param name="workflow_files" type="data" optional="True" multiple=“False" 
label="Workflow data" help="Select dataset(s) that subsequent workflow stages 
can consume if report status is not fail'." />
   <data name="workflow_files_pass" format_source="workflow_files" 
label="Workflow datasets"  metadata_source="workflow_files” >

Much obliged!


Hsiao lab, BC Public Health Microbiology & Reference Laboratory, BC Centre for 
Disease Control
655 West 12th Avenue, Vancouver, British Columbia, V5Z 4R4 Canada
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