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Article 3992 of comp.terminals:
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Path: cs.utk.edu!gatech!howland.reston.ans.net!vixen.cso.uiuc.edu!uwm.edu!msunews!harbinger.cc.monash.edu.au!bunyip.cc.uq.oz.au!newshost.gu.edu.au!news
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From: Tony Nugent <T.Nugent@sct.gu.edu.au>
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Newsgroups: comp.terminals
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Subject: (howto) Set up a custom (colour) vt term
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Date: 30 Apr 1995 06:35:49 GMT
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Organization: Griffith University Brisbane Queensland Australia
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Lines: 371
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Message-ID: <3nvb45$2kl@griffin.itc.gu.edu.au>
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Reply-To: T.Nugent@sct.gu.edu.au
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NNTP-Posting-Host: kraken.itc.gu.edu.au
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Summary: How to set up a customised term entry
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Keywords: vt100 vt102 vt220 ansi colour terminfo termcap term
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G'day all!
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Here is something that I wrote a little while ago (with some more
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recent changes) for someone who asked me how to set up a
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customised TERMINFO and TERMCAP entry.
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I've never seen this in any FAQ, and I thought that others might
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be interested in this too, so I've posted it. It took me *ages*
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and lots of trial and error to figure out how to do this
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properly, but the process is actually quite simple once you have
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the man pages figured out :)
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I would appreciate any comments, corrections or suggestions to
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this... I'm posting it here into comp.terminals as a "beta"
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document as I'm sure that this could be refined some more.
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========8<----insert-crowbar-here------------------------------
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I presume that you understand the basics of ansi and vt-term
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escape sequences.
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I use a customised vt220 term to get colours instead of boring
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black and white text on my pc screen when I'm logged into my
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account over a modem. My comms program is emulating vt100/220
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with my screen in 50 line mode (49 lines + one for my comms
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program's status line).
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The system here with my account is a Sparc running Solaris 2.3,
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SunOS 5.3 - but this also works under SGI IRIX and SunOS 4.3.1
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(remote vt-term login). I use tcsh as my default login shell
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(I'll eventually try out ksh once I have some time :-)
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Here is my customised termcap entry, produced by the "infocmp -1"
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command...
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========8<-----------cut-here------------>8====================
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# Reconstructed via infocmp from file: /home/tnugent/.terminfo/v/vt220
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vt220|vt-220|dec colour vt220,
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xon,
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cols#80, lines#49, vt#3,
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bel=^G, blink=\E[5m$<2>, bold=\E[1m\E[32;44m$<2>,
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clear=\E[;H\E[2J$<50>, cnorm=\E[?7h\E[0;2;1;36m,
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cr=\r, csr=\E[%i%p1%d;%p2%dr, cub1=\b, cud1=\n,
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cuf1=\E[C$<2>, cup=\E[%i%p1%d;%p2%dH$<5>,
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cuu1=\E[A$<2>, cvvis=\E[?7l, ed=\E[J$<50>,
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el=\E[K$<3>, home=\E[H, ht=\t, ind=\n,
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is2=\E[1;49r\E[49;1H, kbs=\b, kcub1=\EOD, kcud1=\EOB,
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kcuf1=\EOC, kcuu1=\EOA, kf0=\E[29~, kf1=\EOP,
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kf10=\E[29~, kf2=\EOQ, kf3=\EOR, kf4=\EOS, kf5=\E[17~,
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kf6=\E[18~, kf7=\E[19~, kf8=\E[20~, kf9=\E[21~,
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rc=\E8, rev=\E[7m$<2>, ri=\EM$<5>, rmacs=\E(B$<4>,
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rmir=\E[4l, rmkx=\E[?1l\E>, rmso=\E[7m\E[0;1;36m$<2>,
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rmul=\E[m\E[0;1;36m$<2>,
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rs2=\E>\E[?3l\E[?4l\E[?5l\E[?7h\E1;36m\E[?8h, sc=\E7,
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sgr0=\E[m\E[1;36m$<2>, smkx=\E[?1h\E=,
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smso=\E[m\E[1;33;44m$<2>, smul=\E[4m\E[1;32m$<2>,
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========8<-----------cut-here------------>8====================
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For the explaination of what all this means, see "man terminfo";
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also try "man termcap", but this man page is often not there.
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It's set for a default of 49 lines, but if you only use 24 then
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change it in the entry, but I'll explain how to easily reset it
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manually with some aliases.
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Otherwise edit this however you like. You'll recognise all the
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"ansi" escape sequences up there. Customise the colour ones as
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desired, but after trial and error I've found these to be quite
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acceptable. Some of the entries might need some more refining,
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but this works. Bold, underline, reverse and norm are all in
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colour. I've thought about adding an entry for italic (sitm and
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ritm), but I haven't got around to this yet.
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I've called this "vt220", but it really isn't (although
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compatable). I've found it better to use a "common" name rather
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than an unusual one, or else I tend to get "unknown term type,
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using dumb terminal settings" complaints when I rlogin or telnet
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into other accounts.
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vt220 is defined in /etc/termcap here as:
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de|vt220|DEC VT220 in vt100 emulation mode:\
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:tc=vt100:
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so vt220 actually uses vt100 anyway. They are similar, but vt220
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defines more of the F (function) keys. Other differences are
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trivial (and I haven't noticed many from what I've been able to
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ascertain from a scattering of "non-authoritative" sources).
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Create a ~/.terminfo/ directory, and save this terminfo entry in
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a file called ~/.terminfo/terminfo.src
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Now change to this directory and append the other terminal
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entries that you might use onto the end of this file (except for
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vt220):
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% echo $term
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% infocmp >> terminfo.src
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% infocmp vt100 >> terminfo.src
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% infocmp xterm >> terminfo.src
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etc. Check it's general format what you find in /etc/termcap to
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make sure that it's similar.
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Now do this (in the ~/.terminfo/ directory):
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% setenv TERMINFO ~/.terminfo
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% tic
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After running tic (it uses the terminfo.src file), you should see
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a new directory called ~/.terminfo/v/ (and perhaps others) which
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has the termcap entries compiled from the terminfo.src file.
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Now, do this:
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% set term=vt220
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You *should* immediately see a change in colour of normally white
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(or grey) text to a light bright blue (see "norm=" above). If
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you have tcsh as your shell, then try the prompts below to see
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some nice bold and reverse colour. Man pages should now also
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demostrate this too (especially if you have setenv PAGER "less -s
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-I"). Nice change, eh? :-)
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Ok, now to make this change permanent...
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Cut this shell script out, save it in ~/.terminfo/maketc and
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"chmod +x maketc" to make it executable:
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========8<-----------cut-here------------>8====================
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#!/bin/sh
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#
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# Make a TERMCAP entry
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#
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# Use:
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# maketc [termtype]
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#
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# setenv TERMCAP `maketc [termtype]`
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#
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# There's probably a better way to do this
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#
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infocmp -C $1 | \
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sed -e '/^#/d' -e '3,$s/[ ]//g' -e 's/:\\$//' | \
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awk '{printf("%s",$0)}'
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echo ""
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# NB: that's a Tab and a space in between the []'s!
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# Is there a way to get sed to strip out newlines?
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========8<-----------cut-here------------>8====================
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Now try this (using this new term setting):
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% maketc
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Ugly, yes? :)
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Create a ~/.terminfo/TERMCAP.vt220 file by redirecting this output:
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% maketc vt220 > TERMCAP.vt220
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(alternatively, use " setenv TERMCAP `cat ~/.terminfo/maketc` "
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below instead).
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Put the following lines in your ~/.login file, or into another
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file (say, ~/.termrc) and source it from ~/.login...
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========8<-----------cut-here------------>8====================
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# Please customise this!
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#
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if ( ! $?term ) then
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set term=vt102
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setenv TERM vt102
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endif
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#
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switch($term)
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#
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case 'vt220':
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case 'vt102':
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stty rows 49
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stty columns 80
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setenv LINES 49
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setenv COLUMNS 80
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echo Assuming \($term with $LINES rows\)
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breaksw
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case 'vt100':
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stty rows 24
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stty columns 80
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setenv LINES 24
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setenv COLUMNS 80
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breaksw
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case 'xterm':
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eval `/usr/openwin/bin/resize`
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stty rows $LINES
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stty cols $COLUMNS
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default:
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breaksw
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endsw
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#
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# Set colour if on a vt100, vt102 or vt220
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#
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if ( $TERM == vt102 || $TERM == vt100 || $TERM == vt220 ) then
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setenv TERMINFO ~/.terminfo
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set term=vt220
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setenv TERM vt220
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setenv TERMCAP `cat ${TERMINFO}/TERMCAP.vt220`
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# setenv TERMCAP `~/.terminfo/maketc`
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endif
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#
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# Set variables: NORM BOLD OFFBOLD ULINE OFFULINE REV
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#
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setenv NORM `tput cnorm`
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setenv REV `tput rev`
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setenv BOLD `tput smso`
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setenv OFFBOLD `tput smso`
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setenv ULINE `tput smul`
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setenv OFFUL `tput rmul`
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#
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echo ""
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echo "${BOLD}TERMINFO is now: $NORM$TERMINFO"
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echo "${BOLD}TERMCAP is now: $NORM"
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echo "$TERMCAP"
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echo ""
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#
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echo -n "${ULINE}"\$TERM"$NORM is $BOLD $TERM $NORM and "
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echo "${ULINE}"\$term"$NORM is $BOLD $term ${NORM}"
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echo -n "$BOLD $LINES $NORM ${ULINE}rows${NORM} "
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echo "$BOLD $COLUMNS $NORM ${ULINE}columns${NORM}"
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echo ""
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#
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echo -n "${REV}reverse${NORM} "
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echo -n "${BOLD}bold${NORM} "
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echo -n "${ULINE}underline${OFFUL} "
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echo "$NORM"
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echo -n "${REV}${BOLD} reverse-bold ${NORM} "
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echo -n "${REV}${ULINE} reverse-underline ${NORM} "
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echo -n "${BOLD}${ULINE} bold-underline ${NORM} "
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echo -n "${REV}${BOLD}${ULINE} reverse-bold-underline ${NORM} "
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echo ""
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#
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echo -n tset:
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/usr/ucb/tset -I -Q -
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#
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========8<-----------cut-here------------>8====================
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It's a bit overdone, but it will show you what's going on.
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Warnings.... on some unix'es, stty does not have "rows" or
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"columns" options. And if you ever use those global variables
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for anything, enclose the variables in quotes like I have above.
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Next time you log in (with csh or tcsh), ~/.login is sourced
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(after ~/.cshrc) and you will automatically have this customised
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colour terminal enabled.
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To make switching term very easy, I use a few aliases. I have
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the following in a ~/.alias file that I source from ~/.cshrc...
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========8<-----------cut-here------------>8====================
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# ~/.alias
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# sourced from ~/.cshrc
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#...
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#...
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#
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#-------- Terminal setup ------------
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#
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a cls 'clear'
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a seterm 'setenv TERM \!:1 ; set term=\!:1'
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a vt102 'unsetenv TERMINFO ; unsetenv TERMCAP ; seterm vt102'
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a vt220 'colour'
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a colour 'setenv TERMINFO ~/.terminfo ; \
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setenv TERMCAP `cat ${TERMINFO}/TERMCAP` ; seterm vt220'
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a rows 'stty rows \!:1 ; setenv LINES \!:1 ; cols 80'
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a cols 'stty columns \!:1 ; setenv COLUMNS \!:1 '
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a setsize 'rows \!:1 ; echo $LINES line mode'
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a 49 'setsize 49'
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a 50 '49'
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a 24 'setsize 24'
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a 25 '24'
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#
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a vtn 'echo -n "^[[m^[(B^[)0^O^[[?5l^[7^[[r^[8"'
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# ^^ ^^ ^^ ^^^^ ^^ ^^ ^^
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# Esc Esc Esc Ctrl-O EscEsc Esc
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# If the vtn alias doesn't work correctly, then try this:
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# a vtn 'echo "X[mX(BX)0OX[?5lX7X[rX8" | tr '\''XO'\'' '\''\033\017'\'''
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#
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#
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#... other aliases ...
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========8<-----------cut-here------------>8====================
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The vtn alias has been piped through cat -v to make the control
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codes look like their two-character representation. Edit the
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echo'ed string so that the ^[ characters are real escape
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characters and ^O is a control-O. Or comment out that line and
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use the one below it that uses the tr command. This alias is
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very, VERY handy for resetting a vt100 style screen if it gets
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screwed up with an accidental character set sequence (see any
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vt100 term escape code reference).
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If you want to see some interesting colourful prompts and you use
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tcsh, then try sourcing this:
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========8<-----------cut-here------------>8====================
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# Primary tcsh command prompt
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#
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# simple looking one
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# set prompt='$S%?%s %B%/-%b%U%h%u-%U%#%u%L'
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#
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# set prompt='%S%l%s|%U%?%u[%B%t%b]%S%~%s-%B%h%b-%U%#%u%L'
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# set prompt='%u%s%b[%U%m%u|%U%~%u][%S%t%s][%B%h%b][%S%?%s]%U-%#%u%L'
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# set prompt='%B%b[%S%?%s][%S%t%s][%B%h%b][%U%m%u|%U%~%u]%U-%#%u%L'
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set prompt='%B%b[%S%?%s][%U%t%u][%S%m%s|%S%~%s][%B%h%b]%U-%#%u%L'
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#
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# prompt2
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# Used wherever normal csh prompts with a question mark.
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#
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# set prompt2='%B%R?>%b '
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set prompt2='%B%R%b%S?%s%L'
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#
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# prompt3
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# Used when displaying the corrected command line when automatic
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# spelling correction is in effect.
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#
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# set prompt3='CORRECT>%R (y|n|e)?'
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# set prompt3='%BCORRECT%b%S>%s%R (%By%b|%Bn%b|%Be%b)%S?%s%L'
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set prompt3='%{[41;33;5m%}CORRECT%S>%s%R (%By%b|%Bn%b|%Be%b)%S?%s%L'
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========8<-----------cut-here------------>8====================
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Note how the red colour is manually put into prompt3. It's
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possible to put colour sequences into the prompts of all the
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common shells (check its man page).
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For more info check out:
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1. The man pages for:
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terminfo, (termcap), stty, tput, infocmp, captoinfo, tic
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(and the man pages in the "see also" sections).
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2. The file /etc/termcap
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3. The comp.terminals ftp archive site:
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cs.utk.edu :: /pub/shuford/terminal/
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You should be able to find at least one file there that
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explains all the vt100 control sequences.
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4. I've got a file with the vt102 and ansi escape sequences in it.
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If you want a copy, just let me know.
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5. I've never seen it, but for a color xterm check this out:
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X11R5 and X11R6 versions:
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ftp.x.org /R5contrib/color_xterm.tar.Z
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ftp.x.org /contrib/utilities/color-xterm-R6-patch.README
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ftp.x.org /contrib/utilities/color-xterm-R6pl5-patch.gz
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ftp.x.org /contrib/utilities/colour_xterm.tar.gz
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Enjoy!
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Tony
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T.Nugent@sct.gu.edu.au
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04/23/95
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========8<----insert-crowbar-here------------------------------
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All comments very much appreciated.
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Cheers
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Tony
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MMM \|/ www __^__
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(o o) @ @ (o o) /(o o)\
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-.ooO-(_)-Ooo.-+-.oOO-(_)-OOo.-+-.oOO--(_)--OOo.-+-.oOO==(_)==OOo.-----+
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| Tony Nugent |-| Griffith University T.Nugent@sct.gu.edu.au |--.
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| __'!`__ | | Brisbane, Queensland tnugent@gucis.cit.gu.edu.au | |
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| (o o) | | Australia | |
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`-ooO---(=)---Ooo-' `--------------------------------------------------' |
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`------------------' `--------------------------------------------------'
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Article 3993 of comp.terminals:
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Path: cs.utk.edu!gatech!swrinde!hookup!news.moneng.mei.com!uwm.edu!msunews!harbinger.cc.monash.edu.au!bunyip.cc.uq.oz.au!newshost.gu.edu.au!news
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From: Tony Nugent <T.Nugent@sct.gu.edu.au>
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Newsgroups: comp.terminals
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Subject: Re: (howto) Set up a custom (colour) vt term
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Date: 30 Apr 1995 07:17:03 GMT
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Organization: Griffith University Brisbane Queensland Australia
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Lines: 35
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Message-ID: <3nvdhf$36j@griffin.itc.gu.edu.au>
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References: <3nvb45$2kl@griffin.itc.gu.edu.au>
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Reply-To: T.Nugent@sct.gu.edu.au
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NNTP-Posting-Host: kraken.itc.gu.edu.au
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Keywords: vt100 vt102 vt220 ansi colour terminfo termcap term
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Tony Nugent <T.Nugent@sct.gu.edu.au> writes:
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Sorry about this:
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[munch]
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>To make switching term very easy, I use a few aliases. I have
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>the following in a ~/.alias file that I source from ~/.cshrc...
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>========8<-----------cut-here------------>8====================
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># ~/.alias
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># sourced from ~/.cshrc
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>#...
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alias a 'alias'
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>#...
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>#
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>#-------- Terminal setup ------------
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>#
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>a cls 'clear'
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>a seterm 'setenv TERM \!:1 ; set term=\!:1'
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[munch]
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I forgot to mention that I have the alias command aliased to "a".
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Cheers
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Tony
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/~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~/~\
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| Tony Nugent Griffith University, Brisbane, Queensland, Australia| _ |
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| Email: T.Nugent@sct.gu.edu.au tnugent@gucis.cit.gu.edu.au | @||
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\__________________________________________________________________\_/|
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/ Pull here for the full .sig or use finger on the second address /
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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