Big Dummy's Guide To The Internet Part 31

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encoder

This converts the file into an encoded form. To decode it, you'll first have to transfer the file message into a file in your home directory.

One further complication comes when you request a particularly long file. Many Net sites can only handle so much mail at a time. To make sure you get the entire file, tell the mail server to break it up into smaller pieces, with another line in your e-mail request like this:

size 100000

This gives the mail server the maximum size, in bytes, of each file segment. This particular size is good for UUCP sites. Internet and Bitnet sites can generally go up to 300000. When you get all of these files in mail, transfer them to your home directory. Exit mail and call up each file in your host system's text processor and delete each one's entire header and footer (or "signature" at the end). When done with this, at your host system's command line, type

cat file1 file2 > bigfile

where file1 is the first file, file2 the second file, and so on. The > tells your host system to combine them into a new megafile called bigfile (or whatever you want to call it). After you save the file to your home directory (see section 9.2 above), you can then run uudecode, tar, etc. One word of caution, though: if the file you want is long enough that it has to be broken into pieces, think of how much time it's going to take you to download the whole thing -- especially if you're using a 2400-baud modem!

There are a number of other mail servers. To get a list, send an e-mail message to [email protected]:

send usenet/comp.sources.wanted/How_to_find_sources_(READ_THIS_BEFORE_POSTING)

You'll have to spell it exactly as listed above. Some mail servers use different software, which will require slightly different commands than the ones listed here. In general, if you send a message to a mail server that says only

help

you should get back a file detailing all of its commands.

But what if the file you want is not on one of these mail servers? That's where ftpmail comes in. Run by Digital Equipment Corp. in California, this service can connect to almost any ftp site in the world, get the file you want and then mail it to you. Using it is fairly simple -- you send an e-mail message to ftpmail that includes a series of commands telling the system where to find the file you want and how to format it to mail to you.

Compose an e-mail message to

[email protected]

Leave the "subject:" line blank. Inside the message, there are several commands you can give. The first line should be

reply address

where "address" is your e-mail address. The next line should be

connect host

where "host" is the system that has the file you want (for example: wuarchive.wustl.edu). Other commands you should consider using are "binary" (required for program files); "compress" (reduces the file size for quicker transmission) and "uuencode" (which encodes the file so you can do something with it when it arrives). The last line of your message should be the word "quit".

Let's say you want a copy of the U.S. const.i.tution. Using archie, you've found a file called, surprise, const.i.tution, at the ftp site archive.cis.ohio-state.edu, in the /pub/firearms/politics/rkba directory. You'd send a message to [email protected] that looks like this:

reply [email protected] connect archive.cis.ohio-state.edu binary compress uuencode get pub/firearms/politics/rkba/const.i.tution quit

When you get the file in your mailbox, use the above procedure for copying it to a file. Run it through uudecode. Then type

uncompress file.name

to make it usable.

Since this was a text file, you could have changed the "binary" to "ascii" and then eliminated the "uuencode" file. For programs, though, you'll want to keep these lines. One caveat with ftpmail: it has become such a popular service that it could take a week or more for your requested files to arrive.

9.5 THE ALL KNOWING ORACLE

One other thing you can do through e-mail is consult with the Usenet Oracle. You can ask the Oracle anything at all and get back an answer (whether you like the answer is another question).

First, you'll want to get instructions on how to address the Oracle (he, or she, or it, is very particular about such things and likes being addressed in august, solemn and particularly sycophantic tones). Start an e-mail message to

[email protected]

In the "subject:" line, type

help

and hit enter. You don't actually have to say anything in the message itself -- at least not yet. Hit control-D to send off your request for help. Within a few hours, the Oracle will mail you back detailed instructions. It's a fairly long file, so before you start reading it, turn on your communications software's logging function, to save it to your computer (or save the message to a file on your host system's home directory and then download the file). After you've digested it, you can compose your question to the Oracle. Mail it to the above address, only this time with a subject line that describes your question. Expect an answer within a couple of days. And don't be surprised if you also find a question in your mailbox -- the Oracle extracts payment by making seekers of knowledge answer questions as well!

Chapter 10: NEWS OF THE WORLD

10.1 Clarinet: UPI, Dave Barry and Dilbert.

Usenet "newsgroups" can be something of a misnomer. They may be interesting, informative and educational, but they are often not news, at least, not the way most people would think of them. But there are several sources of news and sports on the Net.

One of the largest is Clarinet, a company in Cupertino, Calf., that distributes wire-service news and columns, along with a news service devoted to computers and even the Dilbert comic strip, in Usenet form.

Distributed in Usenet form, Clarinet stories and columns are organized into more than 100 newsgroups (in this case, a truly appropriate name), some of them with an extremely narrow focus, for example, clari.news.gov.taxes. The general news and sports come from United Press International; the computer news from the NewsBytes service; the features from several syndicates.

Because Clarinet charges for its service, not all host systems carry its articles. Those that do carry them as Usenet groups starting with "clari." As with other Usenet hierarchies, these are named starting with broad area and ending with more specific categories. Some of these include business news (clari.biz); general national and foreign news, politics and the like (clari.news), sports (clari.sports); columns by Mike Royko, Miss Manners, Dave Barry and others (clari.feature); and NewsBytes computer and telecommunications reports (clari.nb). Because Clarinet started in Canada, there is a separate set of clari.canada newsgroups. The clari.nb newsgroups are divided into specific computer types (clari.nb.apple, for example).

Clari news groups feature stories updated around the clock. There are even a couple of "bulletin" newsgroups for breaking stories: clari.news.bulletin and clari.news.urgent. Clarinet also sets up new newsgroups for breaking stories that become ongoing ones (such as major natural disasters, coups in large countries and the like).

Occasionally, you will see stories in clari newsgroups that just don't seem to belong there. Stories about former Was.h.i.+ngton, D.C. mayor Marion Barry, for example, often wind interspersed among columns by Dave Barry.

This happens because of the way wire services work. UPI uses three-letter codes to route its stories to the newspapers and radio stations that make up most of its clientele, and harried editors on deadline sometimes punch in the wrong code.

10.2 REUTERS

This is roughly the British equivalent of UPI or a.s.sociated Press.

Msen, a public-access site in Michigan, currently feeds Reuters dispatches into a series of Usenet-style conferences. If your site subscribes to this service, look for newsgroups with names that begin in msen.reuters.

10.3 USA TODAY

If your host system doesn't carry the clari or msen.reuters newsgroups, you might be able to keep up with the news a different way over the Net. USA Today has been something of an online newspaper pioneer, selling its stories to bulletin-board and online systems across the country for several years. Cleveland Free-Net provides the online version of USA Today (along with all its other services) for free.

Currently, the paper only publishes five days a week, so you'll have to get your weekend news fix elsewhere.

Telnet: freenet-in-a.cwru.edu or freenet-in-b.cwru.edu

After you connect and log in, look for this menu entry: NPTN/USA TODAY HEADLINE NEWS. Type the number next to it and hit enter. You'll then get a menu listing a series of broad categories, such as sports and telecommunications. Choose one, and you'll get a yet another menu, listing the ten most recent dates of publication. Each of these contains one-paragraph summaries of the day's news in that particular subject.

10.4 THE WORLD TODAY, FROM BELARUS TO BRAZIL

Big Dummy's Guide To The Internet Part 31

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