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ARIA2C(1)
=========
Tatsuhiro Tsujikawa <t-tujikawa@users.sourceforge.net>
NAME
----
aria2c - The ultra fast download utility
SYNOPSIS
--------
-----------------------------------------
aria2c [OPTIONS] URL ...
aria2c [OPTIONS] -T TORRENT_FILE URL ...
aria2c [OPTIONS] -M METALINK_FILE
-----------------------------------------
DESCRIPTION
-----------
aria2 is a utility for downloading files.
The supporting protocols are http(s)/ftp/BitTorrent/Metalink.
aria2 has powerful segmented downloading ability, downloading a file
from multiple sources and multiple protocols, utilizing your download bandwidth to the max.
It even supports downloading a file from http/ftp and BitTorrent at the same time, while the data downloaded form http/ftp is uploaded to BitTorrent swarm.
aria2 also provides most reliable http/ftp downloading experience ever.
Using Metalink's chunk checksums, aria2 automatically validates chunk of data
while downloading like BitTorrent.
Please visit the project web site at http://aria2.sourceforge.net/
OPTIONS
-------
-d, --dir=DIR::
The directory to store the downloaded file.
-o, --out=FILE::
The file name of the downloaded file.
-l, --log=LOG::
The file name of the log file. If '-' is specified, log is written to stdout.
-D, --daemon::
Run as daemon.
-s, --split=N::
Download a file using 'N' connections. 'N' must be between '1' and '5'.
This option affects all URLs. Thus, aria2 connects to each URL with 'N'
connections.
Default: '1'
--retry-wait=SEC::
Set the seconds to wait to retry after an error
has occured. Specify a value between 0 and 60.
Default: 5
-t, --timeout=SEC::
Set timeout in seconds. Default: 60
-m, --max-tries=N::
Set number of tries. '0' means unlimited.
Default: '5'
--http-proxy=HOST:PORT::
Use HTTP proxy server. This affects all URLs.
--http-user=USER::
Set HTTP user. This affects all URLs.
--http-passwd=PASSWD::
Set HTTP password. This affects all URLs.
--http-proxy-user=USER::
Set HTTP proxy user. This affects all URLs.
--http-proxy-passwd=PASSWD::
Set HTTP proxy password. This affects all URLs.
--http-proxy-method=METHOD::
Set the method to use in proxy request.
'METHOD' is either 'get' or 'tunnel'.
Default: 'tunnel'
--http-auth-scheme=SCHEME::
Set HTTP authentication scheme. Currently, 'basic'
is the only supported scheme.
Default: 'basic'
--referer=REFERER::
Set Referer. This affects all URLs.
--ftp-user=USER::
Set FTP user. This affects all URLs.
Default: anonymous
--ftp-passwd=PASSWD::
Set FTP password. This affects all URLs.
Default: ARIA2USER@
--ftp-type=TYPE::
Set FTP transfer type. TYPE is either 'binary'
or 'ascii'.
Default: 'binary'
-p, --ftp-pasv::
Use passive mode in FTP.
--ftp-via-http-proxy=METHOD::
Use HTTP proxy in 'FTP'. 'METHOD' is either 'get' or
'tunnel'.
Default: 'tunnel'
--lowest-speed-limit=SPEED::
Close connection if download speed is lower than
or equal to this value(bytes per sec).
0 means aria2 does not have a lowest speed limit.
You can append K or M(1K = 1024, 1M = 1024K).
This option does not affect BitTorrent downloads.
Default: 0
--max-download-limit=SPEED::
Set max download speed in bytes per sec.
'0' means unrestricted.
You can append 'K' or 'M'(1K = 1024, 1M = 1024K).
Default: '0'
--file-allocation=METHOD::
Specify file allocation method. METHOD is either
'none' or 'prealloc'. 'none' doesn't pre-allocate
file space. 'prealloc' pre-allocates file space
before download begins. This may take some time
depending on the size of the file.
Default: prealloc
--no-file-allocation-limit=SIZE::
No file allocation is made for files whose
size is smaller than SIZE.
You can append K or M(1K = 1024, 1M = 1024K).
Default: 5M
--allow-overwrite=true|false::
If false, aria2 doesn't download a file which
already exists but the corresponding .aria2 file
doesn't exist.
Default: false
-Z, --force-sequential[=true|false]::
Fetch URIs in the command-line sequentially
and download each URI in a separate session, like
the usual command-line download utilities.
Default: false
--auto-file-renaming[=true|false]::
Rename file name if the same file already
exists. This option works only in http(s)/ftp
download.
The new file name has a dot and a number(1..9999)
appended.
Default: true
-P, --parameterized-uri[=true|false]::
Enable parameterized URI support.
You can specify set of parts:
----------------------------
http://{sv1,sv2,sv3}/foo.iso
----------------------------
Also you can specify numeric sequences with step
counter:
--------------------------------
http://host/image[000-100:2].img
--------------------------------
A step counter can be omitted.
If all URIs do not point to the same file, such
as the second example above, -Z option is
required.
Default: false
--enable-http-keep-alive[=true|false]::
Enable HTTP/1.1 persistent connection.
Default: false
--enable-http-pipelining[=true|false]::
Enable HTTP/1.1 pipelining.
Default: false
--check-integrity=true|false::
Check file integrity by validating piece hash.
This option only affects in BitTorrent downloads
and Metalink downloads with chunk checksums.
Use this option to re-download a damaged portion
of a file.
Default: false
--realtime-chunk-checksum=true|false::
Validate chunk checksum while
downloading a file in Metalink mode. This option
on affects Metalink mode with chunk checksums.
Default: true
-c, --continue::
Continue downloading a partially downloaded
file. Use this option to resume a download
started by a web browser or another program
which downloads files sequentially from the
beginning. Currently this option is only
applicable to http(s)/ftp downloads.
-U, --user-agent=USER_AGENT::
Set user agent for http(s) downloads.
-n, --no-netrc::
Disables netrc support.
-i, --input-file=FILE::
Downloads URIs found in FILE. You can specify
multiple URIs for a single entity: separate
URIs on a single line using the TAB character.
Reads input from stdin when '-' is specified.
-j, --max-concurrent-downloads=N::
Set maximum number of concurrent downloads.
It should be used with the -i option.
Default: 5
--load-cookies=FILE::
Load cookies from FILE. The format of FILE is
the same used by Netscape and Mozilla.
-S, --show-files::
Print file listing of .torrent or .metalink file
and exit.
--select-file=INDEX...::
Set file to download by specifing its index.
You can find the file index using the
--show-files option. Multiple indexes can be
specified by using ',', for example: "3,6".
You can also use '-' to specify a range: "1-5".
',' and '-' can be used together.
When used with the -M option, index may vary
depending on the query(see --metalink-* options).
-T, --torrent-file=TORRENT_FILE::
The path to the .torrent file.
--follow-torrent=true|false::
Set to false to prevent aria2 from
entering BitTorrent mode even if the filename of
the downloaded file ends with .torrent.
Default: true
--direct-file-mapping=true|false::
Directly read from and write to each file
mentioned in .torrent file.
Default: 'true'
--listen-port=PORT::
Set TCP port number for BitTorrent downloads.
Default: 6881-6999
--max-upload-limit=SPEED::
Set max upload speed in bytes per sec.
'0' means unrestricted.
You can append 'K' or 'M'(1K = 1024, 1M = 1024K).
Default: '0'
--seed-time=MINUTES::
Specify seeding time in minutes. Also see the
--seed-ratio option.
--seed-ratio=RATIO::
Specify share ratio. Seed completed torrents
until share ratio reaches RATIO. 1.0 is
encouraged. If --seed-time option is specified
along with this option, seeding ends when at
least one of the conditions is satisfied.
--peer-id-prefix=PEERI_ID_PREFIX::
Specify the prefix of peer ID. The peer ID in
in BitTorrent is 20 byte length. If more than 20
bytes are specified, only first 20
bytes are used. If less than 20 bytes are
specified, the random alphabet characters are
added to make it's length 20 bytes.
Default: -aria2-
-M, --metalink-file=METALINK_FILE::
The file path to .metalink file.
-C, --metalink-servers=NUM_SERVERS::
The number of servers to connect to
simultaneously.
Default: '5'
--metalink-version=VERSION::
The version of the file to download.
--metalink-language=LANGUAGE::
The language of the file to download.
--metalink-os=OS::
The operating system of the file to download.
--metalink-location=LOCATION[,...]::
The location of the preferred server.
A comma-deliminated list of locations is acceptable.
--follow-metalink=true|false::
Set to false to prevent aria2 from
entering Metalink mode even if the filename of
the downloaded file ends with .metalink.
Default: true
-v, --version::
Print the version number and exit.
-h, --help::
Print this message and exit.
URL::
You can specify multiple URLs. Unless you specify -Z option, all URLs must
point to the same file or downloading will fail.
You can specify both torrent file with -T option and URLs. By doing this,
download a file from both torrent swarm and http/ftp server at the same time,
while the data from http/ftp are uploaded to the torrent swarm. Note that
only single file torrent can be integrated with http/ftp.
EXAMPLES
--------
Download a file using 1 connection::
aria2c http://AAA.BBB.CCC/file.zip
Download a file using 2 connections::
aria2c -s 2 http://AAA.BBB.CCC/file.zip
Download a file using 2 connections, each connects to a different server::
aria2c http://AAA.BBB.CCC/file.zip http://DDD.EEE.FFF/GGG/file.zip
You can mix up different protocols::
aria2c http://AAA.BBB.CCC/file.zip ftp://DDD.EEE.FFF/GGG/file.zip
Download files listed in a text file. 5 files are downloaded concurrently::
aria2c -i uris.txt -j 5
Download files passed through stdin::
cat uris.txt | aria2c -i -
Download a file using local cookies::
aria2c --load-cookies cookies.txt http://AAA.BBB.CCC/file.zip
Parameterized URI::
aria2c -P http://{server1,server2,server3}/file.iso
Parameterized URI. -Z option is required in this case::
aria2c -P -Z \http://host/file[001-100:2].img
Download a torrent::
aria2c -o test.torrent http://AAA.BBB.CCC/file.torrent
Download a torrent using a local .torrent file::
aria2c -T test.torrent
Download only selected files::
aria2c -T test.torrent dir/file1.zip dir/file2.zip
Download only selected files using index::
aria2c -T test.torrent --select-file 1,3-5
Print file listing of .torrent file::
aria2c -T test.torrent -S
Download a file using torrent and http/ftp server
aria2c -T test.torrent http://host1/file ftp://host2/file
Metalink downloading::
aria2c --lowest-speed-limit 10K http://AAA.BBB.CCC/file.metalink
Download a file using a local .metalink file::
aria2c -M test.metalink
Download a file using a local .metalink file with preferred server locations::
aria2c -M test.metalink --metalink-location=JP,US
Metalink downloading with preferences::
aria2c -M test.metalink --metalink-version=1.1.1 --metalink-language=en-US
Download only selected files::
aria2c -M test.metalink --metalink-language=en-US dir/file1.zip dir/file2.zip
Download only selected files using index::
aria2c -M test.metalink --metalink-language=en-US --select-file 1,3-5
Print file listing of .metalink file::
aria2c -M test.metalink -S --metalink-language=en-US
FILES
-----
aria2.conf::
User configuration file.
It must be placed under ~/.aria2 and must be named as aria2.conf.
In each line, there is 1 parameter whose syntax is name=value pair,
where name is the long command-line option name without '--' prefix.
The lines beginning '#' are treated as comments.
Example:
# sample configuration file for aria2c
file-allocation=prealloc
listen-port=60000
seed-ratio=1.0
max-upload-limit=40K
ftp-pasv=true
REPORTING BUGS
--------------
Report bugs to Tatsuhiro Tsujikawa <t-tujikawa@users.sourceforge.net>
AUTHOR
------
Tatsuhiro Tsujikawa <t-tujikawa@users.sourceforge.net>
COPYRIGHT
---------
Copyright (C) 2006, 2007 Tatsuhiro Tsujikawa
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