review comments

Author: nvnieuwk

docs/nextflow_schema/sample_sheet_schema_specification.md

@@ -78,6 +78,8 @@ Please refer to the [Nextflow schema specification](../nextflow_schema/nextflow_
     Be sure to set `"type": "string"` and `"format": "file-path"` for these properties,
     so that nf-validation correctly returns this sample sheet field as a `Nextflow.file` object.
 
+When using the `file-path-pattern` format for a globbing pattern, a list will be created with all files found by the globbing pattern. See [here](../nextflow_schema/nextflow_schema_specification.md#file-path-pattern) for more information.
+
 ## Sample sheet keys
 
 Below are the properties that are specific to sample sheet schema.

plugins/nf-validation/src/main/nextflow/validation/FormatValidators/FilePathPatternValidator.groovy

@@ -17,7 +17,7 @@ public class FilePathPatternValidator implements FormatValidator {
         }
         ArrayList files = Nextflow.file(subject) as ArrayList
         ArrayList errors = []
-        println("${subject}: ${files.size()}")
+
         if(files.size() == 0) {
             return Optional.of("No files were found using the globbing pattern '${subject}'" as String)
         }