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README.amiga
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1991-07-04
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Some notes on gnuplot on the Amiga:
-----------------------------------
Default paths/directories:
--------------------------
Gnuplot looks for the file "gnuplot.gih" in your "S:"-directory unless you
specify the full pathname including the filename via "setenv GNUHELP".
Your current directory is searched for the file ".gnuplot". If you say
"setenv GNUPLOT <Path>" (without the filename!) gnuplot will look for it
there.
If you don't like "NewShell" as your shell, you can say "setenv SHELL <Shell>".
Additional features of the Amiga-version:
-----------------------------------------
You can say "setenv GNUFONT <Fontname>/<Pointsize>" to get the font of your
liking on the screen, e.g. "setenv GNUFONT sapphire/14". Otherwise gnuplot
will select the default-font you chose with "Preferences".
Stack size:
-----------
Set your stack to at least 20000 and you'll be fine (I hope).
Bugs/deficiencies:
------------------
The SAS/C 5.1 library routine [fs]scanf will not correctly handle
format-strings like "%[^\n]s". Maybe this will be fixed by SAS in future
versions.
When using "%g" as format-string, SAS/C 5.1 [fs]printf will incorrectly
output "0" as "0.". This looks rather ugly as a axis-label.
SAS/C 5.1 bugs:
---------------
SAS/C 5.1 [fs]scanf will count parameters overread with the "%*s" format-
string as properly matched. I included a fix for this by counting the
"%*"-sequences in the given format-string. Therfore the "*" must immediately
follow the "%" (I don't know if it's legal to put something in-between
these two characters anyway...).
If you start a shell via the gnuplot "shell"-command you won't be able to
close your CLI/Shell again. This is probably due to an error in the
SAS/C "system"-call.
"isatty(fileno(stdin))" did not work correctly. A fix is included.
SAS/C does not seem to handle float-parameters in function-calls and
-declarations correctly. (This cost me at least 2 hours to figure out >:-( ).
See the latex- and eepic-drivers for details.