src/nf_modules/Hisat2/test/mapping_single.nf : test mapping-SE

src/nf_modules/Hisat2/test/mapping_single.nf

+/*
+* for single-end data
+*/
+
+params.fastq = "$baseDir/data/fastq/*.fastq"
+params.index = "$baseDir/data/index/*.index*"
+
+log.info "fastq files : ${params.fastq}"
+log.info "index files : ${params.index}"
+
+Channel
+  .fromPath( params.fastq )
+  .ifEmpty { error "Cannot find any fastq files matching: ${params.fastq}" }
+  .set { fastq_files }
+Channel
+  .fromPath( params.index )
+  .ifEmpty { error "Cannot find any index files matching: ${params.index}" }
+  .set { index_files }
+
+process mapping_fastq {
+  tag "$reads.baseName"
+  cpus 4
+  publishDir "results/mapping/", mode: 'copy'
+
+  input:
+  file reads from fastq_files
+  file index from index_files.toList()
+
+  output:
+  file "*" into count_files
+
+  script:
+"""
+hisat2 -x ${file(file(index[0]).baseName).baseName} -U ${reads} -S ${reads.baseName}.sam -p ${task.cpus}
+"""
+}