Ejemplo045.c

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#include <stdio.h>
#include <stdlib.h>
 
#define N   50
 
int main(int argc, char *argv[])
{
    char filename[N] = "full_data.csv";
    char *str;
    char c;
    int i, j, nc, nl, *ln, *Ceremony, *Year;
    FILE *fp;
    fp = fopen(filename, "rt");
    if(fp==NULL)
    {
        printf("Error al leer el archivo.\n");
        return 1;
    }
    //fscanf(fp, "%s", str);
    /*
    for(i=0; i<10; i++)
    {
        fgets(str, NC-1, fp);
        printf("%s", str);
    }
    */
    j=0;
    i=0;
    while((c=fgetc(fp))!=EOF)
    {
        j++;
        if(c==10)
            i++;
    }
    nl = i;
    nc = j;
    printf("Num L: %d\n", nl);
    printf("Num C: %d\n", nc);
    str = (char*)malloc((nc+1)*sizeof(char));
    if(str==NULL)
    {
        fclose(fp);
        return 1;
    }
    ln = (int*)calloc(nl, sizeof(int));
    if(ln==NULL)
    {
        fclose(fp);
        free(str);
        return 2;
    }
    fseek(fp, 0, SEEK_SET);
    for(i=0, j=1; i<nc; i++)
    {
        str[i] = getc(fp);
        if(str[i]==10)
            ln[j++] = i+1;
    }
    str[i] = '\0';
    fclose(fp);
    for(i=1; i<nl; i++)
        str[ln[i]-1] = '\0';
    Ceremony = (int*)malloc((nl-1)*sizeof(int));
    if(Ceremony==NULL)
    {
        free(ln);
        free(str);
        return 3;
    }
    Year = (int*)malloc((nl-1)*sizeof(int));
    if(Year==NULL)
    {
        free(Ceremony);
        free(ln);
        free(str);
        return 3;
    }   
    for(i=1; i<nl; i++)
    {
        Ceremony[i-1] = atoi(str+ln[i]);
        j=0;
        while(str[ln[i]+j]!=9)
            j++;
        Year[i-1] = atoi(str+ln[i]+j+1);
        printf("%d. %d\t%d\n", i, Ceremony[i-1], Year[i-1]);
    }
    free(Year);
    free(Ceremony);
    free(ln);
    free(str);
    return 0;
}