Better file names for input reads.

.BI -1 \ FILE

Single-end read files or paired-end read files 1. Chromap supports mulitple

input files concatenate by ",". For example, setting this option to 

"read11.fq,read12.fq,read13.fq" will make all three files as input and map them 

in this order. Similarly,

"Library1_R1.fastq.gz,Library2_R1.fastq.gz,Library3_R1.fastq.gz" will make 

all three files as input and map them in this order. Similarly,

.BR -2

and

.BR -b