tricks of the internet gurus

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Do celu tam się wysiada. Lec Stanisław Jerzy (pierw. de Tusch-Letz, 1909-1966)
A bogowie grają w kości i nie pytają wcale czy chcesz przyłączyć się do gry (. . . ) Bogowie kpią sobie z twojego poukładanego życia (. . . ) nie przejmują się zbytnio ani naszymi planami na przyszłość ani oczekiwaniami. Gdzieś we wszechświecie rzucają kości i przypadkiem wypada twoja kolej. I odtąd zwyciężyć lub przegrać - to tylko kwestia szczęścia. Borys Pasternak
Idąc po kurzych jajach nie podskakuj. Przysłowie szkockie
I Herkules nie poradzi przeciwko wielu.
Dialog półinteligentów równa się monologowi ćwierćinteligenta. Stanisław Jerzy Lec (pierw. de Tusch - Letz, 1909-1966)

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.Therefore, I'd want it to go to both rec.aquaria andrec.humor.But if I posted the article once to each group, the people who read both groups will see both articles, and they'llget mad at me for wasting 10 valuable seconds of their time by repeating myself.Fortunately, there's a way to post one copyof an article to two (or more) groups, by crossposting:Newsgroups: rec.aquaria,rec.humorThe only thing to remember is that there are no spaces around the comma, but there always has to be one after the colon inany Usenet header.Of course, so far, this has been a purely hypothetical discussion.If I really were posting a pun about neon tetras, I'd want tocrosspost it to a third group (alt.religion.kibology) because the people in said group want to see the stuff I write (hence itsname):Newsgroups: rec.aquaria,rec.humor,alt.religion.kibologyThe article shows up in all three groups, but only one copy of it is normally stored on each computer cross-posts don't takeup extra disk space or "bandwidth" on machines where the machine can save the file in the rec.aquaria directory and makesymbolic links to it in the other two.(More later on how machines store Usenet articles.)A question arises now: If someone makes a followup posting (that is, a public response) to my article, it will by default goto all three newsgroups (unless the responder edits that Newsgroups header line).Because I'm making a silly joke, the sillypeople in rec.humor and alt.religion.kibology will likely respond with something silly, which may or may not be abouttropical fish.If I want to set it up so that any discussion the article generates will go into rec.humor and not disturb theaquarium fans, I just have to type an extra header:Newsgroups: rec.aquaria,rec.humor,alt.religion.kibologyFollowup-To: rec.humorAgain, the space after the colon is necessary, and you need to capitalize that T.Now, by default all followups will go torec.humor, except if the responder edits the Newsgroups list manually.Some people, when they see a string of articles (a thread) that they would like to see moved out of a newsgroup (say they'retired of a "Macs vs.PCs" argument in soc.penpals), will try to move the thread by posting an article like this one:Newsgroups: soc.penpalsFollowup-To: alt.flameFrom: spot@doghouse.yard.net (Spot, a dog)Date: Mon Aug 15 17:05:34 EDT 1994I'm tired to this thread, followups to alt.flame. Spot.but this won't work.It will only redirect the followups to the new article, not to any of the dozens of older articles.The only other catch to the Followup-To: header is that when you post a followup, you should read your own Newsgroupsline before you post quite often a thread will be redirected without warning.This is occasionally done as a practical jokeof sorts:Newsgroups: rec.arts.startrek.fandomFollowup-To: alt.test,misc.test,alt.sex,alt.alien.visitors,alt.magichttp://docs.rinet.ru/ITricks/tig09.htm (2 of 18) [4/18/1999 12:39:20 AM]Tricks of the Internet Gurus tig09.htmFrom: lucy@babaloo.net (Lucy Ricardo)Date: Mon Aug 15 13:41:02 EDT 1994"Star Trek" sucks! "Space: 1999" was better because Martin Landaucould beat up William Shatner any day! Majel Barrett was only onStar Trek because she was married to William Shatner!!!When careless Trekkies post followups, frothing at the mouth over the insult to the show, and patiently explaining thatMajel was married to Gene Roddenberry and not William Shatner, they will be surprised to find out (later) that their posthas gone to alt.magic (they'll get mail saying "Why are you posting this drivel to alt.magic?") and to misc.test (they'll getautomatic replies from a dozen sites saying "Your article was received here in Norway").This is just one of the many waysUsenet is used to get "newbies" to show themselves.(I'd tell you the others, but I don't want to ruin the market for elitistpranks; what would Usenet be without an elaborate social stratification?)Note that all this discussion about how to edit Newsgroups: and Followup-To: lines is moot if you're using one of the fewcommercial systems that allows access to Usenet but doesn't let you edit any headers (I've heard Portal is one such system).In normal environments, you can move the cursor around and edit most of the headers to your liking, in case you want tochange your Organization or Summary line.(Some of the headers are automatically set by the news software, so changingDate or From won't do too much good.)The Art of the KillfileLet's go back to the hypothetical question of "What do you do about the Macs vs.PCs flamewar in soc.penpals?" Somepeople would simply post to soc.penpals asking the participants in the flamewar to shut up.Bad idea that's just one morearticle everyone has to read, and it probably won't do much good.If only there were a key you could press to simply makethat flamewar vanish forever!Welcome to the world of the killfile.A killfile is simply a list of things you don't want to see.If I have a killfile forsoc.penpals that removes all articles with the words "Macintosh" or "PC" in their Subject headers, I can ignore thatflamewar.(Note that it will not stop anyone else from seeing the flamewar! A few people misunderstand the concept ofkillfiles probably because of the word "kill" in the name and will rant about censorship if they find out that someone haskillfiled them.Killfiles will not blow someone off the face of the earth although sometimes you'll wish they could.)The exact operation of a killfile depends on what sort of system you're using and (more importantly) what program you'reusing to read Usenet.Most of them (such as the rn family) keep a directory with a separate file for each group you want tooperate on.Others do not literally keep killfiles but instead keep a list of killable things somewhere in their database.rn and its derivatives (rrn, xrn, xrrn, trn, trrn, and so on) all have the same basic killfile functionality, and they're quitepopular (as you can see by the plethora of variants), so I'm going to talk about how killfiles work in them.If you use nn,some of this will also apply to you (but not all); if you use gnus, none of this will do you any good; gnus is unlike anythingelse.(You can do anything you want in gnus, but it requires writing bits of LISP code.) And for those of you runningsoftware without killfiles (for example, some shareware newsreader on your 386), you should consider running somethingelse, as killfiles are quite useful.In rn (or trn, and so on), if you're looking at an article, and you never want to see another one with the same subject, justpress K (that's Shift-k.) You will see something along these lines:Marking subject "I hate your computer\.\.\." as read.Depositing command in /home/foyer/kibo/News/soc/penpals/KILL.doneSearching.What this means is that rn has recorded, in a file for soc.penpals, that the subject I hate your computer.is verboten.http://docs.rinet.ru/ITricks/tig09.htm (3 of 18) [4/18/1999 12:39:20 AM]Tricks of the Internet Gurus tig09.htmNote: Why the backslashes in front of the periods? Because punctuation marks have various special meanings.Theperiod, for instance, stands for any single character.If you really want all the gory details, read the documentation for aprogram called grep.The file that rn created for soc.penpals now looks like so:THRU 40697/: *I hate your computer\.\.\./:jThat first line is just to remind rn what the last article it checked was, so that it won't have to scan them all again tomorrow.The next line does the actual killing [ Pobierz całość w formacie PDF ]

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