#include "vfml.h"#include <stdio.h>#include <string.h>#include <sys/times.h>#include <time.h>char *gFileStem = "DF";char *gSourceDirectory = ".";char  *gTmpFileName = "c4.5wraper-tmp-file.out";char  *gArgs = "";char  *gTest = "-u";int   gMessageLevel = 0;int   gPrune     = 1;static void _printUsage(char  *name) {   printf("%s: Invokes C4.5 on the dataset & outputs error/size information in UWML format (error <white space> size <white space> time)\n", name);   printf("-f <filestem>\t Set the name of the dataset (default DF)\n");   printf("-args <string>\t Pass <string> as additional arguments to C4.5\n");   printf("-noPrune \t Reports the results from c4.5's unpurned tree (default\n\t\t reports from pruned tree)\n");   printf("-noTest \t Suppress the -u argument which will make c4.5\n\t\t output accuracy on the training set (default test\n\t\t accuracy on the <stem>.test file)\n");   printf("-v\t\tCan be used multiple times to increase the debugging output\n");}static void _processArgs(int argc, char *argv[]) {   int i;   /* HERE on the ones that use the next arg make sure it is there */   for(i = 1 ; i < argc ; i++) {      if(!strcmp(argv[i], "-f")) {         gFileStem = argv[i+1];         /* ignore the next argument */         i++;      } else if(!strcmp(argv[i], "-args")) {         gArgs = argv[i+1];         /* ignore the next argument */         i++;      } else if(!strcmp(argv[i], "-v")) {         gMessageLevel++;      } else if(!strcmp(argv[i], "-noPrune")) {         gPrune = 0;      } else if(!strcmp(argv[i], "-noTest")) {         gTest = "";      } else if(!strcmp(argv[i], "-h")) {         _printUsage(argv[0]);         exit(0);      } else {         printf("Unknown argument: %s.  use -h for help\n", argv[i]);         exit(0);      }   }   if(gMessageLevel >= 1) {      printf("Stem: %s\n", gFileStem);   }}int main(int argc, char *argv[]) {   char command[255];   FILE *results;   int matched, size, nopruneSize;   float error, nopruneError;   int done;   struct tms starttime;   struct tms endtime;   _processArgs(argc, argv);   sprintf(command, "c4.5 %s %s -f %s | grep \"<<\" >> %s", gArgs, gTest, gFileStem, gTmpFileName);   if(gMessageLevel >= 1) {      printf("%s\n", command);   }   times(&starttime);   system(command);   times(&endtime);   if(gMessageLevel >= 1) {      printf("time %.2lfs\n", ((double)(endtime.tms_utime) -                       (double)(starttime.tms_utime)) / 100);   }   results = fopen(gTmpFileName, "r");   done = 0;   while(!done) {      matched = fscanf(results, " %d %*d ( %f %% ) %d %*d ( %f %% ) ( %*f %%) << ",                           &nopruneSize, &nopruneError, &size, &error);      if(gMessageLevel >= 1) {         printf("matched %d\n", matched);      }      if(matched < 1) {         done = 1;      }   }      if(gPrune) {      printf("%f\t%d\t%.2f\n", error, size, ((double)(endtime.tms_cutime) -                       (double)(starttime.tms_cutime)) / 100);   } else {      printf("%f\t%d\t%.2f\n", nopruneError, nopruneSize,                        ((double)(endtime.tms_cutime) -                            (double)(starttime.tms_cutime)) / 100);   }   sprintf(command, "rm %s %s.unpruned %s.tree", gTmpFileName,                                                  gFileStem, gFileStem);   if(gMessageLevel >= 1) {      printf("%s\n", command);   }   system(command);   return 0;}