EOF Marker

[Bob Stockler]

On Tue, Apr 06, 2004 at 05:56:09PM -0400, Brian K. White wrote:
| Bob Stockler wrote:
| > I moved from SCO OSR 5.0.5 to OSR 5.0.6, using filePro
| > v5.0.07D4 with the scoansi termcap.
| >
| > Since filePro v4.8.09K2D4 the scoansi termcap I've used
| > has GZ=~ which has always given me a small (about half
| > the height of the cursor) reverse-video square as the
| > End of Field Marker.
| >
| > Now, on OSR 5.0.6, it gives me the literal tilde - ~ -
| > assigned to GZ in the termcap.
| >
| > I don't want to "mkdev scoansi" and use the in-kernel
| > just to get this behavior back, and I've found some
| > substitutes that I line better than the tilde, but if
| > someone knows how I could get my little black box back
| > I'd like to know.
| >
| > Bob
| 
| The reason the ~ used to display as an upper-ascii character has to do with
| the fact that there are more than one way to skin the same cat in termcap.
| 
| Way 1) You can set GS and GE to nothing so that you don't try to switch into
| any alternate character set when drawing a G* character. And then send the
| actual 8-bit high-ascii value for the character you want by setting GZ=\376
| 
| Way 2) You set GS and GE to the ansi codes for switching into and back out
| of an alternate character set, And then define the G* fields to low-ascii
| 7-bit values that only display as special characters while in that alternate
| character set. This is the case when GZ=~
| 
| first thing I'd try in your case since ~ is looking like an untranslated ~
| is change GZ to  GZ=\376 in fp/termcap

Thanks.

I'd alread tried that.  I gives an acceptable one (sorta like
a capital "I" with a little bubble or balloon coming out its
right waist.

I settled on GZ=\253, which produces a pair of tiny left arrows,
which seemed to me to be a fitting EOF marker.

The rest of what you propose is probably better, but way too
complicated for me.

Bob

| In your case what I'd do is:
| put "mapchan -n" in /etc/profile
| and put GZ=\376 in fp/termcap
| and verify that TERM=ansi instead of say, "scoansi" which I've seen recent
| version do out of the box.
| I actually put this in /etc/profile also to catch that and make TERM get set
| to "ansi" if it starts out as any variation or any unknown/missing value:
| 
|     case $TERM in
|         ""|unknown|dumb|dial*|tty|cons25|*ansi*)
|             TERM=ansi
|             ;;
|         linux)
|             stty intr '^c'
|             stty erase '^?'
|             tput smpch
|             ;;
|         rxvt)
|             stty intr '^c'
|             stty erase '^?'
|             ;;
|     esac
| 
| the cons25 being replaced by ansi is for when I telnet or ssh in from a
| freebsd box. freebsd's console TERM value is "cons25" and it's practically
| identical to scoansi so there is no need to add "cons25" to sco's terminfo &
| sco's, bbx's, fp's termcaps to support this terminal.
| 
| for you all that matters is that if the console is setting TERM="scoansi"
| that will get detected above and replaced with "ansi" and more programs will
| work out of the box with "ansi" than "scoansi". It's easier to change this
| than fix every program.
| 
| (supporting the statement made earlier that actually sco's ansi came first
| and the variations that came later are the ones who deviated from an
| existing standard not the other way around)
| 
| You could also just put this one line instead of above if you never ssh in
| from linux boxes:
| 
| case $TERM in ""|unknown|dumb|dial*|tty|*ansi*) TERM=ansi ;; esac ; export
| TERM
| 
| Brian K. White  --  brian at aljex.com  --  http://www.aljex.com/bkw/
| +++++[>+++[>+++++>+++++++<<-]<-]>>+.>.+++++.+++++++.-.[>+<---]>++.
| filePro BBx  Linux SCO  Prosper/FACTS AutoCAD  #callahans Satriani
| 
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-- 
Bob Stockler - bob at trebor.iglou.com
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