Solution
/*
* Process 1A: Create a FASTA genome index with samtools
*/
process '1A_prepare_genome_samtools' {
input:
file genome from genome_file (1)
output:
file "${genome}.fai" into genome_index_ch
script:
"""
samtools faidx ${genome}
"""
}
| 1 | The solution is to use the
genome_file channel we created in the previous step. |