use kangar to pre process raw fq reads
fastq input files directory - reverse - containing the 3’ end
output log file
output rds file
any extra parameters
print this help and exit
processing mode 0 - single end create, 1 - paired end create, 2 - output statistics 3 - dump as fasta
fastq quality scoring- 0 - sanger, 1m - Illumina 1.3+, 2 - Solexa < 1.3, 3 - Ignore quality
limit number of reads (or dumps) in each input file to this many, 0 if no limit
remove duplicate reads retaining only one
trim this number of bases from 3’ end of sequence
trim this number of bases from 5’ end of sequence
print version information and exit