urqt.nf: improve input

src/nf_modules/UrQt/urqt.nf

@@ -19,12 +19,12 @@ Channel
   .set { fastq_files }
 
 process trimming {
-  tag "$pair_id"
+  tag "${reads}"
   cpus 4
   publishDir "results/fastq/trimming/", mode: 'copy'
 
   input:
-  set pair_id, file(reads) from fastq_files
+  file reads from fastq_files
 
   output:
   file "*_trim_R{1,2}.fastq.gz" into fastq_files_trim
@@ -33,8 +33,8 @@ process trimming {
 """
 UrQt --t 20 --m ${task.cpus} --gz \
 --in ${reads[0]} --inpair ${reads[1]} \
---out ${pair_id}_trim_R1.fastq.gz --outpair ${pair_id}_trim_R2.fastq.gz \
-> ${pair_id}_trimming_report.txt
+--out ${reads[0].baseName}_trim_R1.fastq.gz --outpair ${reads[1].baseName}_trim_R2.fastq.gz \
+> ${reads[0].baseName}_trimming_report.txt
 """
 }