NAME
filtlong - quality filtering tool for Nanopore and PacBio reads
SYNOPSIS
filtlong {OPTIONS} [input_reads]
OPTIONS
positional arguments:
- input_reads
-
input long reads to be filtered
optional arguments:
-
output thresholds:
- -t[int], --target_bases [int]
-
keep only the best reads up to this many total bases
- -p[float], --keep_percent [float]
-
keep only this percentage of the best reads (measured by bases)
- --min_length [int]
-
minimum length threshold
- --min_mean_q [float]
-
minimum mean quality threshold
- --min_window_q [float]
-
minimum window quality threshold
-
external references (if provided, read quality will be determined using these instead of from the Phred scores):
- -a[file], --assembly [file]
-
reference assembly in FASTA format
- -1[file], --illumina_1 [file]
-
reference Illumina reads in FASTQ format
- -2[file], --illumina_2 [file]
-
reference Illumina reads in FASTQ format
-
score weights (control the relative contribution of each score to the final read score):
- --length_weight [float]
-
weight given to the length score (default: 1)
- --mean_q_weight [float]
-
weight given to the mean quality score (default: 1)
- --window_q_weight [float]
-
weight given to the window quality score (default: 1)
-
read manipulation:
- --trim
-
trim non-k-mer-matching bases from start/end of reads
- --split [split]
-
split reads at this many (or more) consecutive non-k-mer-matching bases
-
other:
- --window_size [int]
-
size of sliding window used when measuring window quality (default: 250)
- --verbose
-
verbose output to stderr with info for each read
- --version
-
display the program version and quit
- -h, --help
-
display this help menu
For more information, go to: https://github.com/rrwick/Filtlong
AUTHOR
This manpage was written by Andreas Tille for the Debian distribution and can be used for any other usage of the program.