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rand100.lha
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rand.c
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C/C++ Source or Header
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1995-01-07
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2KB
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74 lines
/*
rand.c - A program that sends random system commands.
Copyright (C) 1995 Fergus Duniho
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <fpd/fpdio.h>
#include <fpd/fpdstrm.h>
void setseed ();
int main (int argc, char **argv) {
unsigned int i, j, which, maximum;
char lines[256], line[256], fname[256];
FILE *fptr;
if (argc < 2)
fprintf (stderr,
"Usage: rand <file> <format_string> [<file> <format> ...]\n"
"$VER: rand v1.00 (7 Jan 1995)\n"
"Copyright 1995 Fergus Duniho\n");
setseed();
for (i = 1; i < argc; i+=2) {
if ((fptr = fopen(argv[i], "r")) == NULL) {
fprintf (stderr, "Couldn't find %s.\n", argv[i]);
continue;
}
maximum = fgetp(fptr);
which = rand() % maximum;
for (j = 0; j < which; j++)
next (fptr, '\n');
getline (fptr, fname, 256);
fclose (fptr);
repstr (lines, argv[i+1], "[]", fname, -1);
while ((j = strcspn(lines, ";")) != 0) {
restring (line, lines, lines, "", 0, j, 1);
system (line);
}
}
}
void setseed () {
FILE *fptr;
int seed;
if ((fptr = fopen("SYS:Prefs/randseed", "r")) != NULL) {
seed = fgetp(fptr);
fclose (fptr);
}
else
seed = 1;
srand (seed);
if ((fptr = fopen("SYS:Prefs/randseed", "w")) != NULL) {
fprintf (fptr, "%d", rand());
fclose (fptr);
}
}