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#ifndef lint
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static const char RCSid[] = "$Id: gcomp.c,v 1.3 2003/11/15 02:13:37 schorsch Exp $";
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#endif
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/*
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* gcomp.c - program to calculate things from graph files.
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*
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* 7/7/86
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*
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* Greg Ward Larson
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include "rterror.h"
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#include "meta.h"
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#include "mgvars.h"
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#define istyp(s) (s[0] == '-')
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#define isvar(s) (s[0] == '+')
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char *progname;
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char *libpath[4];
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static void dofile(int optc, char *optv[], char *file);
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int
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main(
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int argc,
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char *argv[]
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)
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{
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char *getenv();
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int i, file0;
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progname = argv[0];
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libpath[0] = "./";
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if ((libpath[i=1] = getenv("MDIR")) != NULL)
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i++;
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libpath[i++] = MDIR;
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libpath[i] = NULL;
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for (file0 = 1; file0 < argc; )
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if (istyp(argv[file0]))
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file0++;
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else if (isvar(argv[file0]) && file0 < argc-1)
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file0 += 2;
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else
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break;
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if (file0 >= argc)
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dofile(argc-1, argv+1, NULL);
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else
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for (i = file0; i < argc; i++)
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dofile(file0-1, argv+1, argv[i]);
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quit(0);
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return 0; /* pro forma return */
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}
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void
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dofile( /* plot a file */
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int optc,
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char *optv[],
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char *file
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)
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{
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char types[16], stmp[256], *strcat();
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int i;
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mgclearall();
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mgload(file);
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types[0] = '\0';
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for (i = 0; i < optc; i++)
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if (istyp(optv[i]))
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strcat(types, optv[i]+1);
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else {
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sprintf(stmp, "%s=%s", optv[i]+1, optv[i+1]);
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setmgvar("command line", stdin, stmp);
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i++;
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}
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gcalc(types);
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}
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void
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eputs( /* print error message */
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const char *msg
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)
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{
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fputs(msg, stderr);
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}
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void
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quit( /* quit program */
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int code
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)
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{
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exit(code);
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}
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