ConvertDataFormat.cpp File Reference

Functions
int	main (int argc, char **argv)

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

                               {
  if(argc != 2) {
    printf("Usage: 1.This 2.Data File\n");
    exit(EXIT_FAILURE);
  }
    Integer_t const NUMDATA=5; // number of column in the output datafile.
    char* data[NUMDATA];
 
  //******************** Checking the filename and opening input/output files ********************
  Integer_t const BUFMAX=1000;
  const char* DATANAME="Operators_";
  const char NAME_SEPERATOR='_';
    const char* DATA_SEPERATOR=" ";
  char suffix[BUFMAX], InFilename[BUFMAX], OutFilename[BUFMAX], stemp[BUFMAX], stemp2[BUFMAX];
  char* OutFilenamePointer = OutFilename;
  char* strptemp;
 
  strcpy(InFilename, argv[1]);
  if(strstr(InFilename, DATANAME) == NULL) {
    printf("Error: Input \"%s\" does not contain \"%s\".\n", InFilename, DATANAME);
    exit(EXIT_FAILURE);
  }
  strcpy(OutFilename, InFilename);
  strptemp = strrchr(OutFilename, NAME_SEPERATOR);
  if( (strptemp = strrchr(OutFilename, NAME_SEPERATOR)) == NULL) {
    printf("Error: Intput \"%s\" does not contain \"%c\".\n", OutFilename, NAME_SEPERATOR);
    exit(EXIT_FAILURE);
  }
  strptemp[0] = '\0';
  sprintf(suffix, "_Raw_%s", strptemp+1);
  strptemp = NULL;
  strcat(OutFilename, suffix);
  printf("Output file: %s.\n", OutFilename);
 
  FILE *Infp;
  Infp = fopen(InFilename, "r");
  if(Infp == NULL) {
    fprintf(stderr, "Can't open a file %s\n", InFilename);
    exit(EXIT_FAILURE);
  }
  FILE *Outfp;
  Outfp = fopen(OutFilenamePointer, "w");
  if(Outfp == NULL) {
    fprintf(stderr, "Can't open a file %s.\n", OutFilenamePointer);
    exit(EXIT_FAILURE);
  }
  //******************** (END)Checking the filename and opening input/output files ********************
 
    //******************** Copy headers to new file ********************
    const char* DESCRIPTION = "1.repetition";
    while( fgets(stemp, BUFMAX, Infp) ) {
        if(stemp[0] == '\n') break;
        if(stemp[0] != '#') {
            fprintf(Outfp, "#%s", stemp);
        } else if( strstr(stemp, DESCRIPTION) ) {
            fprintf(Outfp, "#1.repetition, 2.System size, 3.Energy density, 4.Relative Pos, 5.Exp value\n");
        } else {
            fprintf(Outfp, "%s", stemp);
        }
    }
    fprintf(Outfp, "\n");
    //******************** (END)Copy headers to new file ********************
 
  while( fgets(stemp, BUFMAX, Infp) ) {
    strptemp = strchr(stemp, '\n');
    if(strptemp==NULL) {
      fprintf(stderr, "Warning: There is no Newline in \"%s\".\n", stemp);
      continue;
    }
        if(stemp[0] == '\n') {
            fprintf(Outfp, "\n");
            continue;
        }
 
        strcpy(stemp2, stemp);
        data[0] = strtok(stemp, DATA_SEPERATOR);
        for(Integer_t i = 1;i < NUMDATA; ++i) {
            data[i] = strtok(NULL, DATA_SEPERATOR);
            if( data[i]==NULL ) {
                fprintf(stderr, "Error: There is not enough columns in Input file.\n");
                fprintf(stderr, "Error: Input data \"%s\".\n", stemp2);
          exit(EXIT_FAILURE);
            }
        }
        for(Integer_t i = 0;i < NUMDATA; ++i) fprintf(Outfp, "%s ", data[i]);
        fprintf(Outfp, "\n");
  }
 
  fclose(Infp);
    fclose(Outfp);
 
  return 0;
}