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Annotation of OpenXM_contrib/pari-2.2/misc/gprc.dft, Revision 1.2

1.2     ! noro        1: /* $Id: gprc.dft,v 1.4 2002/08/04 11:56:02 karim Exp $
1.1       noro        2:  *
                      3:  * SAMPLE GP INIT FILE.
                      4:  *
                      5:  * Customize (by uncommenting and modifying the relevant lines) and put in
                      6:  * $HOME/.gprc (or $GPRC) or /etc/gprc. Syntax explained at the end. */
                      7:
                      8: \\ read "lib/gpalias"
                      9: /* Read lib/gpalias BEFORE gp prompts you for commands.
                     10:  * The file contains some standard abbreviations (correct the path first !) */
                     11:
                     12: \\ compatible = 0
                     13: /* CAUTION: scripts written in the old (1.x) syntax WILL NOT WORK AS BEFORE.
                     14:  * If compatible>1, the OLD functions are the ONLY ONES known to gp, save
                     15:  * for default() itself */
                     16:
                     17: \\ path = ".:~:~/gpdir"
                     18: /* List of directories where gp will look for scripts (separated by ':',
                     19:  * use "\:" to insert a real ":"). The ~ notation may not be available on
                     20:  * your system */
                     21:
                     22: prompt = "(%R) \e[1mgp\e[m > "
                     23: #if READL prompt = "(%R) &\e[1mgp&\e[m > "
                     24: #if EMACS prompt = "? "
                     25: /* Set gp prompt. % is used for macros related to the time of day [back to
                     26:  * the shell prompt, try "man strftime"]. Example: %R = time of day in the
                     27:  * form HH:MM. Characters can be escaped UNIX-style using '\', e.g \e = <ESC>
                     28:  *
                     29:  * Above, the first escape sequence sets a bold font, the second restores
                     30:  * the original (so we get a bold "gp"), and we prefix by the time of day
                     31:  *
                     32:  * CAUTION1: If you have escape sequences in your prompt (as above) and use
                     33:  * readline, you will get display bugs. With a recent enough readline, you
                     34:  * can work around those by bracing non-visible characters between ^A/^B
                     35:  * pairs (see manual), like this:
                     36:  *
                     37:  * #if READL prompt = "(%R) &\e[1mgp&\e[m > "
                     38:  *                          ^^_____^^ brace the "set bold" sequence \e[1m
                     39:  *
                     40:  * CAUTION2: If you plan to use gp under emacs, do not tamper with the prompt
                     41:  * variable UNLESS you also set correctly the gp-prompt-pattern regexp in
                     42:  * your .emacs. For instance, if to use:
                     43:  *
                     44:  * #if EMACS prompt = "(%R) gp > "
                     45:  *
                     46:  * add the following two lines in your .emacs (see emacs/pariemacs.txt)
                     47:  *
                     48:  * (setq gp-prompt-pattern
                     49:  *  (concat "^([0-9][0-9]:[0-9][0-9]) gp > [\C-j\t ]*\\|" gp-prompt-pattern))
                     50:  */
                     51:
                     52: \\ use an alternate prettyprinter
                     53: prettyprinter = "/usr/local/bin/tex2mail -TeX -noindent -ragged -by_par"
                     54:
                     55: \\ clear background:
                     56: \\   #ifnot EMACS colors = "9, 5, no, no, 4, 1, 2"
                     57: \\ dark background:
                     58: \\   #ifnot EMACS colors = "9, 1, no, no, 6, 1, 2"
                     59: /* If your terminal supports color. These are suggested values that don't
                     60:  * look too bad with the colormap provided with the distribution (under
                     61:  * emacs you can customize colors using the Menu Bar). */
                     62:
                     63: \\ Extended help options (don't interact well with emacs):
                     64: \\ Don't use TeX + xdvi, but outputs formatted help in GP window:
                     65: \\   #ifnot EMACS help = "/usr/local/bin/gphelp -detex"
                     66: \\ Same, using colors:
                     67: \\   #ifnot EMACS help = "/usr/local/bin/gphelp -detex -ch 4 -cb 0 -cu 2"
                     68:
                     69: \\ Stack size : 10^7 Bytes.
                     70: \\ parisize = 10M
                     71:
                     72: \\ Biggest precomputed prime (= prevprime(10^6))
                     73: \\ primelimit = 1M
                     74:
                     75: \\ Set timer on
                     76: \\ timer = 1
                     77:
                     78: \\ Set logfile name and enable logging.
                     79: \\ Uncommenting the next two lines produces a different logfile each day:
                     80: \\ logfile = "~/tmp/pari-%d.%m"
                     81: \\ log = 1
                     82:
                     83: \\ Output for postscript-producing gp commands.
                     84: \\ psfile = "~/tmp/pari.ps"
                     85:
                     86: \\ secure = 1
                     87: /* Disable commands system() and extern(). These commands are dangerous
                     88:  * since they allow scripts to execute arbitrary Unix commands */
                     89:
                     90: \\********************** FORMAT OF THIS FILE :    ***************************
                     91: \\  Lines starting with '\\' and between '/*' '*/' pairs are comments
                     92: \\  Blank lines are ignored
1.2     ! noro       93: \\  Line starting with #if BOOLEAN is read iff BOOLEAN is TRUE
        !            94: \\  Currently recognized booleans:
1.1       noro       95: \\    EMACS  are we running under Emacs?
                     96: \\    READL  is readline available?
1.2     ! noro       97: \\    VERSION {<,>,<=,>=} a.b.c  does version number satisfy the inequality?
1.1       noro       98: \\
1.2     ! noro       99: \\  This file should be put in $HOME/.gprc or /etc/gprc and contains:
1.1       noro      100: \\  * references to gp scripts that are to be run BEFORE the first gp prompt.
                    101: \\
                    102: \\    Syntax: read "filename"  (quotes are mandatory. ~ syntax allowed)
                    103: \\
                    104: \\  * variable definitions (so-called "environment variables" in the sequel)
                    105: \\
                    106: \\   Definitions are overruled by command line switches. For instance
                    107: \\     invoking gp -s 100 will set environment variable stacksize to 100 (not
                    108: \\     a very bright thing to do by the way), regardless of what is in .gprc
                    109: \\
                    110: \\    Syntax: variable name = value
                    111: \\
                    112: \\  Environment variables which are not set here assume default values in gp.
                    113: \\  Can be changed under GP using default(), or keyboard shortcuts (see ?\).