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OS/2 Help File
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1996-09-20
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7KB
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200 lines
ΓòÉΓòÉΓòÉ 1. SpiderMan ΓòÉΓòÉΓòÉ
SpiderMan 0.90
SpiderMan can retrieve Web pages from a HTTP (WWW) server. It can be configured
to follow all hyperlinks on the page that lead to other pages on the same
server. Images on the pages can be retrieved as well. All pages are stored on
disk and can be viewed later using your web browser.
SpiderMan can make use of a proxy HTTP server, speeding up the whole procedure.
SpiderMan requires at least one HPFS partition!
Topics:
The main window
Common tasks
Command line options
For the techies
Contacting the author
ΓòÉΓòÉΓòÉ 1.1. The main window ΓòÉΓòÉΓòÉ
On the main window you find the following elements:
A drop down list where you enter the URL. The last 15 URLs are saved.
"Start" and "Stop" buttons.
A log window. Its contents are also stored in the log file.
A status line. Its contents are:
- the current URL
- total number of data bytes retrieved
- total number of data bytes of the current URL
- number of bytes retrieved of the current URL
- number of URLs retrieved
- number of URLs tried
- number of URLs queued for inspection.
ΓòÉΓòÉΓòÉ 1.2. Common tasks ΓòÉΓòÉΓòÉ
Here's how to perform some common task with SpiderMan:
I wan't to suck a complete web site.
In the setup, enable "Follow links", "Inline images". Disable "Don't climb up".
Then enter the root URL of the site (e.g. "http://www.thesite.com/"), then
press "Start".
I wan't to suck a subrange of a web site.
In the setup, enable "Follow links", "Inline images" and "Don't climb up". Then
enter the URL of the site (e.g. "http://www.thesite.com/some/path/start.html"),
then press "Start".
I wan't to suck a single web page with images, but only if it's changed.
In the setup, disable "Follow links". Enable "Inline images" and "Modified
pages only". Then enter the URL of the page (e.g.
"http://www.thesite.com/pageofinterest.html"), then press "Start".
ΓòÉΓòÉΓòÉ 1.3. Command line options ΓòÉΓòÉΓòÉ
SpiderMan can be run in automated mode, i.e. it takes one or more URLs as
program parameters, downloads these pages according to the program options, and
exits when finished.
The command line syntax is:
SPIDER.EXE [<url> | @<listfile>]*
In other words, you can specify
one or more URLs, and
one or more list files. Each line in a list file is interpreted as URL.
Empty lines and lines starting with ';' are ignored.
When finished, SpiderMan returns one of the following ERRORLEVEL values:
0 Everything OK
1 Invalid command line option
2 Problem(s) with one of the list files
10 Other error
ΓòÉΓòÉΓòÉ 1.4. For the techies ΓòÉΓòÉΓòÉ
Here's some technical information if you're interested:
SpiderMan uses HTTP 1.0. HTTP 0.9 is not supported. If some web site is
still using a HTTP 0.9 server, its contents may be just as outdated, so
you might not miss anything.
SpiderMan only follows HTTP links, not FTP or others.
SpiderMan counts <IMG SRC=...> and <BODY BACKGROUND=...> as inline
images.
If the file name of a retrieved page isn't specified, it's stored as
INDEX.HTML.
The "Last-Modified" timestamp is stored in the file's EAs. The EA name is
HTTP.LMODIFIED and is of type EAT_ASCII.
Some characters in the URL are converted when building the path name of
the file. However, no conversion to FAT (8.3) names is performed!
If a page is redirected, the redirection is automatically followed, but
only if the new location is on the same server!
SpiderMan has been developed on and tested with OS/2 Warp 3.0 and TCP/IP
2.0 installed. It should also work with the following configurations:
- Warp 3.0 with IAK
- Warp 3.0 Connect with TCP/IP 3.0
- Warp Server
- Warp 4.0 (Merlin)
ΓòÉΓòÉΓòÉ 1.5. Contacting the author ΓòÉΓòÉΓòÉ
SpiderMan was developed by Michael Hohner. He can be reached electronically at:
EMail: miho@osn.de
Fidonet: 2:2490/2520.17
CompuServe: 100425,1754
ΓòÉΓòÉΓòÉ 2. Setup ΓòÉΓòÉΓòÉ
Options
Specify all program options.
ΓòÉΓòÉΓòÉ 2.1. Servers ΓòÉΓòÉΓòÉ
Proxy
Enter the host name of a proxy HTTP server. You may also specify a
port number for the proxy server. Check Enable to finally use the
server. Contact you service provider to get this data.
Note: Only enter the host name, not the URL (e.g. "proxy.isp.com",
not "http://proxy.isp.com:123/")!
Email address
Enter your EMail address. It is included in every request. Don't
enter anything here if you don't want your EMail address to be
revealed.
ΓòÉΓòÉΓòÉ 2.2. Paths ΓòÉΓòÉΓòÉ
Path for retrieved data
Path where retrieved pages and images are stored. This path and
subpaths are created automatically.
Log file
Path and name of the log file.
ΓòÉΓòÉΓòÉ 2.3. Options ΓòÉΓòÉΓòÉ
Follow links
If checked, hyperlinks in retrieved documents are followed.
Otherwise, SpiderMan just retrieves one page.
You can enter a set of extensions (separated by spaces, commas or
semicolons) to retrieve. Links with other extensions are ignored. If
you don't enter anything, all links are followed.
Inline images
If checked, inline images are also retrieved.
Don't climb up
If checked, hyperlinks that are hierarchically higher than the
initial URL are not followed. Otherwise, all links to the same
server are followed.
Retrieve modified pages only
A document is only retrieved if it's newer than the local copy.
ΓòÉΓòÉΓòÉ 3. About ΓòÉΓòÉΓòÉ
ΓòÉΓòÉΓòÉ 4. File menu ΓòÉΓòÉΓòÉ
Exit
Ends the program.
ΓòÉΓòÉΓòÉ 5. Help menu ΓòÉΓòÉΓòÉ
General help
Provides general help
Product information
Displays name, version number, copyright information etc.