bowtie2: nf, only keep last 15 lines of report

src/nf_modules/bowtie/mapping_paired.nf

@@ -41,12 +41,13 @@ process mapping_fastq {
 # reads
 bowtie --best -v 3 -k 1 --sam -p ${task.cpus} ${index_id} \
 -1 ${reads[0]} -2 ${reads[1]} 2> \
-${pair_id}_bowtie_report.txt | \
+${pair_id}_bowtie_report_tmp.txt | \
 samtools view -Sb - > ${pair_id}.bam
 
-if grep -q "Error" ${pair_id}_bowtie_report.txt; then
+if grep -q "Error" ${pair_id}_bowtie_report_tmp.txt; then
   exit 1
 fi
+tail -n 15 ${file_id}_bowtie2_report_tmp.txt > ${file_id}_bowtie2_report.txt
 """
 }
 

src/nf_modules/bowtie2/mapping_single.nf

@@ -35,11 +35,12 @@ process mapping_fastq {
 """
 bowtie2 --very-sensitive -p ${task.cpus} -x ${index_id} \
 -U ${reads} 2> \
-${file_id}_bowtie2_report.txt | \
+${file_id}_bowtie2_report_tmp.txt | \
 samtools view -Sb - > ${file_id}.bam
 
-if grep -q "Error" ${file_id}_bowtie2_report.txt; then
+if grep -q "Error" ${file_id}_bowtie2_report_tmp.txt; then
   exit 1
 fi
+tail -n 15 ${file_id}_bowtie2_report_tmp.txt > ${file_id}_bowtie2_report.txt
 """
 }