Quick Snippets

This page contains small code snippets that may or not be useful to mud programmers. Consider them all to be public domain.

Counting objects in player files on a ROM type mud

$ cat offcount.c
#include <stdio.h>
#include <stdlib.h>

int offline_obj_count(int vnum)
{
  FILE *f;
  char cmd[160];
  int count;

  sprintf(cmd, "egrep -ch \"^Vnum %d\" ../player/* | gawk \'{ s += $1 }; END { print s }\' > sum.txt", vnum);
  system(cmd);
  f = fopen ("sum.txt", "r");
  if (!f) {
    printf("offline_obj_count: Could not read sum.txt file.");
    return 0;
  }
  fscanf(f,"%d\n", &count);
  fclose(f);
  return count;
}

int main(int argc, char** argv) {
  int vnum = atoi(argv[1]);
  int count = offline_obj_count(vnum);
  printf("Vnum:%d Count:%d", vnum, count);
  return 0;
}

$ gcc offcount.c

$ ./a 3382
Vnum:3382 Count:62

$ ./a 23008
Vnum:23008 Count:1

$ ./a 23048
Vnum:23048 Count:2

$ ./a 9999
Vnum:9999 Count:0