minor changes to bam filtering in Nextflow

structuralvariants/nextflow/modules/samtools_view.nf

 process SAMTOOLS_VIEW {
-    tag 'samtools view'
+    tag { "samtools view" }
     container 'quay.io/biocontainers/samtools:1.5--2'
 
     input:
       path input
 
     output:
-      path '*.filtered.bam', emit: output
+      path '*.filtered.bam'
 
     script:
     def min_mapping_qualityArgument = params.min_mapping_quality ? "-q $params.min_mapping_quality" : ''

structuralvariants/nextflow/subworkflows/bam_filtering.nf

@@ -10,16 +10,16 @@ include {
 
 
 /*
-* Subworkflow bam_filtering 
+* Subworkflow bam_filtering
 */
 workflow SUB_BAM_FILTERING {
     take:
-      input      
+      input
 
     main:
-        SAMTOOLS_VIEW( input )
-        SAMTOOLS_INDEX( SAMTOOLS_VIEW.out )      
+        SAMTOOLS_VIEW(input)
+        SAMTOOLS_INDEX(SAMTOOLS_VIEW.out)
 
     emit:
-      output = SAMTOOLS_INDEX.out
-}
\ No newline at end of file
+      bams = SAMTOOLS_INDEX.out
+}