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wget/vms/WGET.HLP

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1 WGET
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GNU Wget 1.12, a non-interactive network retriever.
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Usage:
WGET :== $ device:[directory]WGET.EXE ! Define foreign command.
WGET [OPTION [...]] [URL [...]]
Mandatory arguments for long options are also mandatory for short options.
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Mail bug reports and suggestions to <bug-wget@gnu.org>.
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2 Startup
-V, --version display the version of Wget and exit.
-h, --help print this help.
-b, --background go to background after startup. (Ignored on VMS.)
-e, --execute=COMMAND execute a `.wgetrc'-style command.
2 Logging_and_input_file
-o, --output-file=FILE log messages to FILE.
-a, --append-output=FILE append messages to FILE.
-d, --debug print debugging information.
-q, --quiet quiet (no output).
-v, --verbose be verbose. (This is the default.)
-nv, --non-verbose turn off verboseness, without being quiet.
-i, --input-file=FILE download URLs found in FILE.
-F, --force-html treat input file as HTML.
-B, --base=URL prepends URL to relative links in -F -i file.
2 Download
-t, --tries=NUMBER set number of retries to NUMBER
(0 unlimits).
--retry-connrefused retry even if connection is refused.
-O --output-document=FILE write documents to FILE.
-nc, --no-clobber skip downloads that would download to
existing files.
-c, --continue resume getting a partially downloaded file.
--progress=TYPE select progress gauge type.
-N, --timestamping don't re-retrieve files unless newer than
local.
-S, --server-response print server response.
--spider don't download anything.
-T, --timeout=SECONDS set all timeout values to SECONDS.
--dns-timeout=SECS set the DNS lookup timeout to SECS.
--connect-timeout=SECS set the connect timeout to SECS.
--read-timeout=SECS set the read timeout to SECS.
-w, --wait=SECONDS wait SECONDS between retrievals.
--waitretry=SECS wait 1...SECS between retrieval retries.
--random-wait wait from 0...2*WAIT secs between
retrievals.
--no-proxy explicitly turn off proxy.
-Q, --quota=NUMBER set retrieval quota to NUMBER.
--bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local
host.
--limit-rate=RATE limit download rate to RATE.
--no-dns-cache disable caching DNS lookups.
--restrict-file-names=OS restrict file name chars to ones OS allows.
--ignore-case ignore case when matching files/dirs.
-4, --inet4-only connect only to IPv4 addresses.
-6, --inet6-only connect only to IPv6 addresses.
--prefer-family=FAMILY connect first to addresses of specified
family, one of IPv6, IPv4, or none.
--user=USER set both FTP and HTTP user to USER.
--password=PASS set both FTP and HTTP password to PASS.
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--ask-password prompt for passwords.
--no-iri turn off IRI support.
--local-encoding=ENC use ENC as the local encoding for IRIs.
--remote-encoding=ENC use ENC as the default remote encoding.
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2 Directories
-nd --no-directories don't create directories.
-x, --force-directories force creation of directories.
-nH, --no-host-directories don't create host directories.
--protocol-directories use protocol name in directories.
-P, --directory-prefix=PREFIX save files to PREFIX/...
--cut-dirs=NUMBER ignore NUMBER remote directory components.
2 HTTP_options
--http-user=USER set HTTP user to USER.
--http-passwd=PASS set HTTP password to PASS.
--no-cache disallow server-cached data.
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--default-page=NAME Change the default page name. (Normally
this is `index.html'.)
-E, --html-extension save HTML/CSS docs with proper extensions.
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--ignore-length ignore "Content-Length" header field.
--header=STRING insert STRING among the headers.
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--max-redirect maximum redirections allowed per page.
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--proxy-user=USER set USER as proxy username.
--proxy-passwd=PASS set PASS as proxy password.
--referer=URL include "Referer: URL" header in HTTP
request.
--save-headers save the HTTP headers to file.
-U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.
--no-http-keep-alive disable HTTP keep-alive (persistent
connections).
--no-cookies don't use cookies.
--load-cookies=FILE load cookies from FILE before session.
--save-cookies=FILE save cookies to FILE after session.
--keep-session-cookies load and save session (non-permanent)
cookies.
--post-data=STRING use the POST method; send STRING as the data.
--post-file=FILE use the POST method; send contents of FILE.
--content-disposition honor the Content-Disposition header when
choosing local file names (EXPERIMENTAL).
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--auth-no-challenge send Basic HTTP authentication information
without first waiting for the server's
challenge.
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2 HTTPS (SSL/TLS) options:
--secure-protocol=PR choose secure protocol, PR, one of: auto,
SSLv2, SSLv3, and TLSv1.
--no-check-certificate don't validate the server's certificate.
--certificate=FILE client certificate file.
--certificate-type=TYPE client certificate type, PEM or DER.
--private-key=FILE private key file.
--private-key-type=TYPE private key type, PEM or DER.
--ca-certificate=FILE file with the bundle of CA's.
--ca-directory=DIR directory where hash list of CA's is stored.
--random-file=FILE FILE with random data to seed the SSL PRNG.
--egd-file=FILE FILE naming the EGD socket with random data.
2 FTP_options
--ftp-stmlf All binary FTP files use Stream_LF format.
--ftp-user=USER set FTP user to USER.
--ftp-password=PASS set FTP password to PASS.
--no-remove-listing don't remove ".listing" files.
--no-glob turn off FTP file name globbing.
--no-passive-ftp disable the "passive" transfer mode.
--retr-symlinks when recursing, get linked-to files (not
dir).
--preserve-permissions preserve remote file permissions.
2 Recursive_retrieval
-r, --recursive recursive download.
-l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).
--delete-after delete files locally after downloading them.
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-k, --convert-links make links in downloaded HTML or CSS point to
local files.
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-K, --backup-converted before converting file X, back up as X_orig.
-m, --mirror shortcut for -r -N -l inf --no-remove-listing.
-p, --page-requisites get all images, etc. needed by HTML page.
--strict-comments turn on strict (SGML) handling of HTML comments.
2 Recursive_accept-reject
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-A, --accept=LIST comma-sep'd list of accepted extensions.
-R, --reject=LIST comma-sep'd list of rejected extensions.
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-D, --domains=LIST comma-separated list of accepted domains.
--exclude-domains=LIST comma-separated list of rejected domains.
--follow-ftp follow FTP links from HTML documents.
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--follow-tags=LIST comma-sep'd list of followed HTML tags.
-G, --ignore-tags=LIST comma-sep'd list of ignored HTML tags.
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-H, --span-hosts go to foreign hosts when recursive.
-L, --relative follow relative links only.
-I, --include-directories=LIST list of allowed directories.
-X, --exclude-directories=LIST list of excluded directories.
-np, --no-parent don't ascend to the parent directory.
2 VMS_specifics
Wget on VMS systems may behave differently in some ways from Wget on other
systems.
The "-b" or "--background" command-line option is ignored on VMS systems.
Other differences involve command-line case, restrictions on directory
and file names, some FTP behavior, and some RMS default parameters.
3 Command-line_case
On non-VAX systems, Wget for VMS enables the following DECC$* run-time
option:
DECC$ARGV_PARSE_STYLE
This way, with extended command parsing enabled ("SET PROCESS
/PARSE_STYLE = EXTENDED"), command-line case is preserved, which
obviates quoting case-sensitive option switches, URLs, and other
parameters.
3 Directory_and_file_names
When the destination for a downloaded file is an ODS2 file system,
excessive dots (".") in file names and directory names generated by
recursive retrieval (which would be illegal in ODS2 directory or file
names) are replaced by underscores ("_"). All tildes ("~") are replaced
by hyphens ("-"), and all "at" signs ("@") are replaced by dollar signs
("$"). Any other invalid characters are replaced by underscores ("_").
Also, case information is lost.
For example, the command:
wget -r "ftp://ftp.xfree86.org/pub/XFree86/3.3.5/binaries/NetBSD-1.3/"
on a UNIX system, should put files into the directory:
./ftp.xfree86.org/pub/XFree86/3.3.5/binaries/NetBSD-1.3/
while on a VMS ODS2 file system, the directory would be:
[.FTP_XFREE86_ORG.PUB.XFREE86.3_3_5.BINARIES.NETBSD-1_3]
When the destination for a downloaded file is an ODS5 file system, the
ODS5-invalid characters "?" and "*" are converted to "!" and "#",
respectively.
On non-VAX systems, Wget for VMS enables the following DECC$* run-time
options:
DECC$EFS_CHARSET
DECC$EFS_CASE_PRESERVE
This way, when the destination for a downloaded file is an ODS5 file
system, multiple dots will be permitted and case will be preserved in
directory and file names, so the previous example directory would be:
[.ftp^.xfree86^.org.pub.XFree86.3^.3^.5.binaries.NetBSD-1^.3]
3 FTP_file_date
Files downloaded using FTP from some servers may get date-time info in
server-local time. Define an environment variable (symbol or logical
name) WGET_TIMEZONE_DIFFERENTIAL (a signed time in seconds) to offset
these file dates.
3 FTP_file_format
By default, when Wget does a binary (Image) FTP transfer, the
destination file is created with fixed-length, 512-byte records. When
Wget does an ASCII FTP transfer, the destination file is created with
Stream_LF format.
In Wget versions before 1.10.1, an FTP destination file was always
created with Stream_LF format.
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A command-line option, --ftp-stmlf, forces all FTP destination files to
Stream_LF format, as in Wget versions before 1.10.1.
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Add ";type=a" to the end of an FTP URL to specify an ASCII transfer.
Destination files specified using "-O" ("--output-document") are always
created with Stream_LF format.
3 FTP_file_versions
To specify an explicit ";nnn" version number in an FTP URL, escape the
";" as "%3B", or, if the (VMS) FTP server will accept it, use a second
dot. For example, for "file.type;25" use a URL like:
ftp://server/directory/file.type%3B25
or:
ftp://server/directory/file.type.25
3 RMS_default_parameters
For improved I/O speed, when writing a downloaded file, Wget uses these
RMS parameter values by default: BLOCK_COUNT = 127, BUFFER_COUNT = 2,
EXTEND_QUANTITY = 16384.
The user may overide these values by specifying different (non-zero)
values for these parameters using the SET RMS_DEFAULT command.
3 File_attributes
As with many C programs which originated on non-VMS systems, Wget may
make some assumptions about file attributes which can cause some
problems. One example is the "--post-file=FILE" option, which requires
that the "FILE" be in Stream_LF format. (In this case, HTTP 1.0
requires the length of the request to be known, and the method used to
determine the size of the file will fail for Variable-length format
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files.)