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Fastq-dump for SRA download
By Jit 2330 days ago
➜ bin git:(master) ✗ ./fastq-dump --help
Usage:
./fastq-dump [options] <path> [<path>...]
./fastq-dump [options] <accession>
INPUT
-A|--accession <accession> Replaces accession derived from <path> in
filename(s) and deflines (only for single
table dump)
--table <table-name> Table name within cSRA object, default is
"SEQUENCE"
PROCESSING
Read Splitting Sequence data may be used in raw form or
split into individual reads
--split-spot Split spots into individual reads
Full Spot Filters Applied to the full spot independently
of --split-spot
-N|--minSpotId <rowid> Minimum spot id
-X|--maxSpotId <rowid> Maximum spot id
--spot-groups <[list]> Filter by SPOT_GROUP (member): name[,...]
-W|--clip Remove adapter sequences from reads
Common Filters Applied to spots when --split-spot is not
set, otherwise - to individual reads
-M|--minReadLen <len> Filter by sequence length >= <len>
-R|--read-filter <[filter]> Split into files by READ_FILTER value
optionally filter by value:
pass|reject|criteria|redacted
-E|--qual-filter Filter used in early 1000 Genomes data: no
sequences starting or ending with >= 10N
--qual-filter-1 Filter used in current 1000 Genomes data
Filters based on alignments Filters are active when alignment
data are present
--aligned Dump only aligned sequences
--unaligned Dump only unaligned sequences
--aligned-region <name[:from-to]> Filter by position on genome. Name can
either be accession.version (ex:
NC_000001.10) or file specific name (ex:
"chr1" or "1"). "from" and "to" are 1-based
coordinates
--matepair-distance <from-to|unknown> Filter by distance between matepairs.
Use "unknown" to find matepairs split
between the references. Use from-to to limit
matepair distance on the same reference
Filters for individual reads Applied only with --split-spot set
--skip-technical Dump only biological reads
OUTPUT
-O|--outdir <path> Output directory, default is working
directory '.' )
-Z|--stdout Output to stdout, all split data become
joined into single stream
--gzip Compress output using gzip
--bzip2 Compress output using bzip2
Multiple File Options Setting these options will produce more
than 1 file, each of which will be suffixed
according to splitting criteria.
--split-files Dump each read into separate file.Files
will receive suffix corresponding to read
number
--split-3 Legacy 3-file splitting for mate-pairs:
First biological reads satisfying dumping
conditions are placed in files *_1.fastq and
*_2.fastq If only one biological read is
present it is placed in *.fastq Biological
reads and above are ignored.
-G|--spot-group Split into files by SPOT_GROUP (member name)
-R|--read-filter <[filter]> Split into files by READ_FILTER value
optionally filter by value:
pass|reject|criteria|redacted
-T|--group-in-dirs Split into subdirectories instead of files
-K|--keep-empty-files Do not delete empty files
FORMATTING
Sequence
-C|--dumpcs <[cskey]> Formats sequence using color space (default
for SOLiD),"cskey" may be specified for
translation
-B|--dumpbase Formats sequence using base space (default
for other than SOLiD).
Quality
-Q|--offset <integer> Offset to use for quality conversion,
default is 33
--fasta <[line width]> FASTA only, no qualities, optional line
wrap width (set to zero for no wrapping)
--suppress-qual-for-cskey suppress quality-value for cskey
Defline
-F|--origfmt Defline contains only original sequence name
-I|--readids Append read id after spot id as
'accession.spot.readid' on defline
--helicos Helicos style defline
--defline-seq <fmt> Defline format specification for sequence.
--defline-qual <fmt> Defline format specification for quality.
<fmt> is string of characters and/or
variables. The variables can be one of: $ac
- accession, $si spot id, $sn spot
name, $sg spot group (barcode), $sl spot
length in bases, $ri read number, $rn
read name, $rl read length in bases. '[]'
could be used for an optional output: if
all vars in [] yield empty values whole
group is not printed. Empty value is empty
string or for numeric variables. Ex:
@$sn[_$rn]/$ri '_$rn' is omitted if name
is empty
OTHER:
--disable-multithreading disable multithreading
-h|--help Output brief explanation of program usage
-V|--version Display the version of the program
-L|--log-level <level> Logging level as number or enum string One
of (fatal|sys|int|err|warn|info) or (0-5)
Current/default is warn
-v|--verbose Increase the verbosity level of the program
Use multiple times for more verbosity
--ncbi_error_report Control program execution environment
report generation (if implemented). One of
(never|error|always). Default is error
--legacy-report use legacy style 'Written spots' for tool
./fastq-dump : 2.9.1 ( 2.9.1-1 )
