Wget - Options & Sample Crawler
#!/bin/sh
# wget --mirror --adjust-extension --page-requisites --execute robots=off --wait=30 --rand om-wait --convert-links --user-agent=Mozilla http://www.example.com
### V1
# wget \
# --recursive \
# --no-clobber \
# --page-requisites \
# --html-extension \
# --convert-links \
# --restrict-file-names=windows \
# --domains www.example.com \
# --no-parent \
# www.example.com
### V2
# wget \
# --recursive \
# --no-clobber \
# --page-requisites \
# --html-extension \
# --convert-links \
# --execute robots=off \
# --restrict-file-names=windows \
# --domains www.example.com \
# --no-parent \
# www.example.com
# wget \
# --user-agent='Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1 (KHTML, like Gecko) CriOS/52.0.2725.0 Mobile/13B143 Safari/601.1.46' \
# --execute robots=off \
# --recursive \
# --mirror \
# --wait=10 \
# --random-wait \
# www.example.com \
# 2>&1 | grep '^--' | awk '{ print $3 }' | grep -v '\.\(css\|js\|png\|gif\|jpg\|JPG\)$' > www.example.com.txt
# wget \
# --mirror \
# --recursive \
# --execute robots=off \
# --user-agent='Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1 (KHTML, like Gecko) CriOS/52.0.2725.0 Mobile/13B143 Safari/601.1.46' \
# --timestamping \
# --page-requisites \
# --html-extension \
# --restrict-file-names=windows \
# --wait=1 \
# --random-wait \
# --domains www.example.com \
# --debug \
# --output-file=sample.log \
# --progress=dot \
# --directory-prefix=sample \
# www.example.com
# wget \
# --mirror \
# --recursive \
# --execute robots=off \
# --user-agent='Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1 (KHTML, like Gecko) CriOS/52.0.2725.0 Mobile/13B143 Safari/601.1.46' \
# --timestamping \
# --page-requisites \
# --html-extension \
# --restrict-file-names=windows \
# --wait=1 \
# --random-wait \
# --domains www.example.com \
# --progress=bar \
# www.example.com
wget \
--mirror \
--recursive \
--execute robots=off \
--user-agent='Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2725.0 Safari/537.36' \
--timestamping \
--page-requisites \
--html-extension \
--restrict-file-names=windows \
--random-wait \
--convert-links \
--domains www.example.com \
www.example.com/home.html
https://www.gnu.org/software/wget/manual/wget.html
$ wget --help
GNU Wget 1.11.4, a non-interactive network retriever.
Usage: wget [OPTION]... [URL]...
Mandatory arguments to long options are mandatory for short options too.
Startup:
-V, --version display the version of Wget and exit.
-h, --help print this help.
-b, --background go to background after startup.
-e, --execute=COMMAND execute a `.wgetrc'-style command.
Logging and input file:
-o, --output-file=FILE log messages to FILE.
-a, --append-output=FILE append messages to FILE.
-d, --debug print lots of debugging information.
-q, --quiet quiet (no output).
-v, --verbose be verbose (this is the default).
-nv, --no-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.
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=SECONDS wait 1..SECONDS between retries of a retrieval.
--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 chars in file names to ones OS allows.
--ignore-case ignore case when matching files/directories.
--user=USER set both ftp and http user to USER.
--password=PASS set both ftp and http password to PASS.
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.
HTTP options:
--http-user=USER set http user to USER.
--http-password=PASS set http password to PASS.
--no-cache disallow server-cached data.
-E, --html-extension save HTML documents with `.html' extension.
--ignore-length ignore `Content-Length' header field.
--header=STRING insert STRING among the headers.
--max-redirect maximum redirections allowed per page.
--proxy-user=USER set USER as proxy username.
--proxy-password=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).
--auth-no-challenge Send Basic HTTP authentication information
without first waiting for the server's
challenge.
HTTPS (SSL/TLS) options:
--secure-protocol=PR choose secure protocol, 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 for seeding the SSL PRNG.
--egd-file=FILE file naming the EGD socket with random data.
FTP options:
--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.
Recursive download:
-r, --recursive specify recursive download.
-l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).
--delete-after delete files locally after downloading them.
-k, --convert-links make links in downloaded HTML point to local files.
-K, --backup-converted before converting file X, back up as X.orig.
-m, --mirror shortcut for -N -r -l inf --no-remove-listing.
-p, --page-requisites get all images, etc. needed to display HTML page.
--strict-comments turn on strict (SGML) handling of HTML comments.
Recursive accept/reject:
-A, --accept=LIST comma-separated list of accepted extensions.
-R, --reject=LIST comma-separated list of rejected extensions.
-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.
--follow-tags=LIST comma-separated list of followed HTML tags.
--ignore-tags=LIST comma-separated list of ignored HTML tags.
-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.
Mail bug reports and suggestions to <bug-wget@gnu.org>.