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  :: Help-файлы :: Agora

.: Agora.

****************************************************
** Agora: Retrieving WWW Documents through mail **
****************************************************


Welcome to Agora, the World-Wide Web email browser!

** Last modify 2000.Jan.7

[CAUTION] Our agora server is logging your request by e-mail.
We keep watching these log for maintenance
of our agora server.

[CAUTION] We have put a below restriction of usage to keep our
computer-system well.

o a process generated from a request keep alive for 10
minutes. If the process could not finish in 10 minutes,
it is killed automatically.


** Index **
1. Introduction
2. Commands related to the retrieval of W3 documents
3. Frequently Asked Questions
4. Credits
A. References


1. Introduction
----------------

To retrieve a document, you just have to specify its "address", called a "Uniform Resource Locator" (URL). For example, the URL of help document is

http://www.dna.affrc.go.jp/htdocs/Agora/Help.txt

This means that to get it, you just have to send a mail to <agora@dna.affrc.go.jp>, with whatever subject you like, the body of the mail being:

SEND http://www.dna.affrc.go.jp/htdocs/Agora/Help.txt

If this is the first time you enter this new medium, we suggest you look at the following documents:

http://www.w3.org/TheProject.html
The World-Wide Web Initiative[1]

http://www.boutell.com/faq/
World-Wide Web Frequently Asked Questions[2]

In this new media, most documents are hypertext. In such a case you will notice numbers in square brackets such as [12] next to some special words.
This means you may access a new document, hopefully related to the word(s) preceding the [12]. If you are interested to see this new document, you will find at the bottom of the document containing the [12] a list of URLs, next to numbers. Then, just copy the URL next to [12], and paste it to the body of a mail you send to <agora@dna.affrc.go.jp> . If you are lazy, there is another way to retrieve W3 documents through email: just reply to
<agora@dna.affrc.go.jp> , and specify in the body the number(s) you are interested in. This program will figure out which document you are
interested in by looking at the subject header that you then have to preserve.


Example 1
=========

You'd like to know more about the World-Wide Web Initiative? All right, the number between brackets is 1. Let's look at the bottom of this page.  corresponds to
http://www.w3.org/TheProject.html .

So you have to send a mail to <agora@dna.affrc.go.jp> with the body:
SEND http://www.w3.org/TheProject.html

Example 2
=========
You still have some questions on World-Wide Web ? All right, the appropriate documents are "World-Wide Web Development" and "Frequently Asked Questions". They have the numbers 2 and 3 in brackets next to them. So you reply to the mail from <agora@dna.affrc.go.jp> that you are currently reading, and write in the body:
2 3

Note: If your mail tool truncates subject lines, it may be useful for you to know that this robot needs only the part (URL: ...) to determine what the numbers refer to.


2. Commands related to the retrieval of W3 documents
-----------------------------------------------------
Everything appearing in [] below is optional; everything appearing in <>is mandatory; all commands are case insensitive.

2.1 send [URL], www [URL]

send [URL]
www [URL]

this will send you back the document you requested, with all its hrefs, so that you may ask further requests. (if the document is too large, you will get only its first 5000 lines). The URL sent is case sensitive and may contain the following characters:

abcdefghijklmnopqrstuvwxyzABCDEFGHIJK
LMNOPQRSTUVWXYZ0123456789:/._-+@%*()?$#&=

If you do not specify URL, agora will send help document.

<<CAUTION>> E-MAIL MAX Line LIMIT: 5000 lines!!!

Example: with mail body
send http://www.w3.org/
www http://www.cern.ch/

2.2 rsend <return-path> <URL>
Same as "send", but you can specify a different return-path

Example:
rsend zorro@horsemen.holywood.com http://www.w3.org/

2.3 deep <URL>
Same as "send", but it will also send you the documents referred to in the URL you mentioned. (If the documents are too large, you will get only the first 5 000 lines of what "deep" should provide). Be cautious when using "deep"! Agora might mail to you several dozens of documents!

Example:
deep http://www.w3.org/

2.4 source <URL>
Same as "send", but allows you to see the source of the document, so that you may use a nicer HTML browser to read it

Example:
source http://www.w3.org/

<<CAUTION>> E-MAIL MAX Line LIMIT: 5000 lines!!!

2.5 rsource <return-path> <URL>
Same as "source", but you can specify a different return-path

Example:
rssource zorro@horsemen.holywood.com http://www.w3.org/

2.6 help
This document

2.7 bsource
same as source, but uuencode the document.

Example:
bsource http://www.w3.org/


3. Frequently Asked Questions
------------------------------

3.1 How can I access to the internet search engines ? (Modified 1997/Jun/12)

(1) MetaCrawler
MetaCrawer is available to agora.
MetaCrawler queries the other search engines(Lycos, Infoseek, WebCrawler, Excite, Alta Vista, and Yahoo), organizes the results into a uniform
format, ranks them by relevance, and returns them to the user. If you want to seek "agora" info, please send agora@dna.affrc.go.jp with mail body

SEND http://www.metacrawler.com/crawler?general=agora&method=0

you will get the searching result(html version) by using Metaclawler.


(2) LYCOS and YAHOO

If you want to seek "bill gates" info. on the Internet, please send <agora@dna.affrc.go.jp> with mail body

send http://www.lycos.com/cgi-bin/pursuit?query=bill+gates
send http://search.yahoo.com/bin/search?p=winzip+zip

Our agora can allow the characters "=" and "&". So you can specify URL like below:

send
http://lycos11.lycos.cs.cmu.edu/cgi-bin/flpursuit?first=11\&maxhits=10\&minterms=
    1\&minscore=0.01\&terse=standard\&query=bill+gates

send http://search.yahoo.com/bin/search?p=genbank+dna\\&y=y\\&r=Science

you will get the searching result in the Lycos search result format.


(3) WAIS Search in Oxford Univ

If you want to seek "bill gates" info. on the wais gateway on the Internet, please send <agora@dna.affrc.go.jp> with mail body

send http://www.lib.ox.ac.uk/cgi-bin/wwwwais/cgi-bin/flpursuit?bill+gates

you will get the searching result in the wais search result.
*** Note ***
We have a problem to search by this url. We are now investigating. Sorry. (1998.May.25)


(4) Hyper RFC

If you want to seek RFC(REquest For Comment) documents about MIME descriptions.

Please send agora@dna.affrc.go.jp with mail body

send http://www.csl.sony.co.jp/cgi-bin/hyperrfc?MIME

you will get the archive lists of RFC on "MIME".


(5) WebCrawler

WebCrawler is another Spiders' based search engine. If you want to seek "bill gates" info., please send agora@dna.affrc.go.jp with mail body

SEND http://www.webcrawler.com/cgi-bin/WebQuery?bill+gates

you will get the searching result(html version) by using WebCrawler.


(6) Veronica Search

Veronica search is available to agora. If you want to seek "bill gates" info., please send agora@dna.affrc.go.jp with mail body

source gopher://empire.nysernet.org:2347/7?bill+gates
*** Note ***
We have a problem to search by this url. We are now investigating. Sorry. (1998.May.25)

you will get the searching result(html version)

(7) Alta Vista

Alta Vista is an another search engine. If you want to seek "bill gates" info., please send agora@dna.affrc.go.jp with mail body

SEND http://altavista.digital.com/cgi-bin/query?pg=q&what=web&fmt=.&q=bill+gates

you will get the searching result(html version) by using Alta Vista.

(8) Google

Google is an another search engine and it return high-quality search results. If you want to seek "bill gates" info., please send agora@dna.affrc.go.jp
with mail body

SEND http://www.google.com/search?q=bill+gates&num=10

you will get the searching result(html version) by using Google.


3.2 About News

------------------------------

3.2.1 Can I read Netnews ?

There are two ways to retrieve news: using deja news server http://www.dejanews.com/ and using our local news server We suggest you to use deja news server to retrieve news.

Example (To get articles in a newsgroup bionet.software):
SEND
http://www.dejanews.com/dnquery.xp?QRY=&DBS=2&ST=PS&defaultOp=

AND&LNG=ALL&format=terse&showsort=score&maxhits=25&groups=bionet.software

If you want to retrieve news written in Japnese language, you can use our local news server.

Example (To get articles in a newsgroup fj.sci.bio):
SEND news:fj.sci.bio

Our local news server is subscribing following newsgroups;

fj, alt(subset), bionet, comp, rec, sci, soc
For detail, see following URL:
http://www.dna.affrc.go.jp/htdocs/Agora/news_index.html

Please read the internet handbooks if you are not familiar with the newsgroups.

*** Note ***
Retriving news from our local news server is not fully supported. It has following problems: The reply of some newsgroups is HTML source, not translated to formated text data. Our agora has no response to some newsgroups access. It causes core dump. and is not fixed.

------------------------------

3.2.2 Can I post an article.
No. In our agora, it does not allow posting to news, only allow reading. Because the news server that our agora uses is not anonymous server.

------------------------------

3.3 About binary data

------------------------------

3.3.1 I tried to download graphics file by using agora service but failed. Is it possible to do that ?

Yes it is. Agora is able to send binary data by uuencoding. But our agora has a limitation that maximum line in a mail is 5000. Maybe we can not send
a complete data if you want to get large binary data.

ALT.BINARIES.PICTURES UTILITIES ARCHIVE
http://mrcnext.cso.uiuc.edu/%7Edeej/index.html is much helpful,

if you would have not know how to unzip or uuencode/uudecode the binary/ascii encoding mail.

------------------------------

3.3.2 Agora says below in his reply.
"*** Sorry, we do not send more than 5000 lines through email for one set of requests ***" Any another solution on the issue?

It is impossible to get big binary data by using agora.(See 3.3.1) But if your requested file is in Anonymous FTP resource, ie, if the URL you specified is like "ftp://foo/bar", then you can get it by using ftpmail service(ftpmail@dna.affrc.go.jp).

If you want to use the ftpmail service, then please mail to ftpmail@dna.affrc.go.jp with "help" in mail body. The server will send back the usage of ftpmail service to you.

------------------------------

3.3.3 How to get image file that just says [IMAGE] in agora reply

At first, we must say that you need a knowledge of HTML syntax to get an inline image url.

You can get image file by "SEND image_file_url" command same as to get a normal document. And you can get URL of the image_file_url by "SOURCE" command like below example.

Example) How to get [IMAGE] file If you want [IMAGE] on Fig.1, then:

(1) get HTML source.
Send a mail to agora@dna.affrc.go.jp with the body:
source http://bank.dna.affrc.go.jp/

You will get a mail like Fig.2.

(2) Read the HTML source and search "IMG" tag.

(3) construct inline image url.
In case of this, you can construct url "http://bank.dna.affrc.go.jp/ine.gif"
with "<IMG SRC="ine.gif"" and "http://bank.dna.affrc.go.jp/".

(4) get inline image
Send a mail to agora@dna.affrc.go.jp with the body:
send http://bank.dna.affrc.go.jp/ine.gif

---- Fig.1 Part of "send http://bank.dna.affrc.go.jp/" result ------------
Genome Projects in Ministry of Agriculture, Forestry and Fisheries and
its research activities

Rice Genome Project[2] [IMAGE]

Genone Map Information[3]
--------------------------------------------------------------------------

---- Fig.2 the Part of "source http://bank.dna.affrc.go.jp/" result ------
<H2>Genome Projects in Ministry of Agriculture, Forestry and Fisheries and
its research activities</H2>
<UL>
<LI><A HREF="http://www.dna.affrc.go.jp:82/">Rice Genome Project</A>
<IMG SRC="ine.gif" WIDTH="99" HEIGHT="23" NATURALSIZEFLAG="0" ALIGN=middle>
<UL><LI><A HREF="http://www.dna.affrc.go.jp/htdocs/rgp_map/index.html">Genone Map Information</A></UL>
--------------------------------------------------------------------------


3.4 misc
------------------------------

3.4.1 Can I get documents that are referenced from agora's reply ?

If you want to get these documents, please send agora@dna.affrc.go.jp with Subject (URL: your request) and with body reference-number

example :
To: agora@dna.affrc.go.jp
Subject: (URL: http://www.dna.affrc.go.jp/)

2 3

If your mail tool truncates subject lines, it may be useful for you to know that this robot needs only the part (URL: ...) to determine what the numbers refer to.

------------------------------

3.4.2 I have sent the right request. But I can not get reference documents.

In writing a request in "Subject: " with the reference number in the mail body, please check following points.

1) URL in Subject is ONE LINE, which mean without line break
2) URL in Subject must embrace between '(URL: 'and ')'

Agora received many corrupted requests even if you have sent the right request. Some mail tool inserts line breaks, word wraps, truncates subject lines. Please send the request to yourself to check your request is intact or not.

Bad examples:

1) () miss match
"Subject: Re: (URL: http://www.dna.affrc.go.jp/"

2) Divided subject line.
"Subject: Re: (URL:
http://www.dna.affrc.go.jp/)"

3) No space between "URL:" and "http"
"Subject: Re: (URL:http://www.dna.affrc.go.jp/)"

------------------------------

3.4.3 I got Chinese/Korean documents. But it is written by strange characters. Can I get them in correct characters?

Use bsource command. (See 2.7)
The send and source command is specialized for Japanese when it encountered 8 bit character such as Chinese/Japanese/Korean. But bsource command send any document with uu-encoding, without encoding to a specific langage.


------------------------------

3.4.4 I have sent right request. But I can not get any reply.

Agora checks header of a received mail and determines whether the mail is a request, an error mail, or a bounced error mail. When agora does
not determine the mail as a request, it forces to exit.

For example, agora does not determine as a request in below cases.
(1) the "From: " or "Reply-to: " address matches agora.
(2) the "From: " or "Reply-to: " address matches daemon.
(3) the "Subject: " field matches "RETURNED MAIL"

------------------------------

3.4.5 Can URLs requested be split over two or more lines in the body of a message ?

Yes, you can. In DISC Agora, it treats following line that does not begin agora commands as a continuous part of previous line. For example, request (1) is same request (2).

(1)
send http://www.dna.affrc.go.jp/ind
ex.html
send http://lycos11.lycos.cs.cmu.ed
u/cgi-bin/flpursuit?first=11\&maxhi
ts=10\&minterms=1\&minscore=0.01\&t
erse=standard\&query=bill+gates
(2)
send http://www.dna.affrc.go.jp/index.html
send
http://lycos11.lycos.cs.cmu.edu/cgi-bin/flpursuit?first=11\&maxhits=10\&minterms=1\&minscore=0.01\&terse=standard\&query=bill+gates


------------------------------

4. Credits
-----------

* Original Agora was developed by the CERN Agora Term
Arthur Secret (agora-request@mail.w3.org)
* The original agora is beta tester(ver.0.7).
* THIS EXPERIMENTAL SERVER (agora@dna.affrc.go.jp)


A. References (from this document)
----------------------------------

[1] http://www.w3.org/TheProject.html
[2] http://www.boutell.com/faq/
[3] http://www.dna.affrc.go.jp/htdocs/Agora/OriginalHelp.txt
(This is original help document that was written by W3 ORG)

Supplements
-----------
ALT.BINARIES.PICTURES UTILITIES ARCHIVE
http://mrcnext.cso.uiuc.edu/%7Edeej/index.html
is much helpful,
if you would have not know how to unzip or uudecording the binary/ascii
encoding mail.


Acknowledgments
----------------
We appreciate to Arthur Secret(W3 ORG), Dr.Bob Rankin (BobRankin@mhv.net) and Odd de Presno (presno@grida.no).
Brian J.Turk(Pimalco Aerospace Aluminum,Arizona USA) gave me useful infomation.

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