随机数的产生--随机文本串的生成

数字的产生，字符串的随机生成，直接贴代码了

#include 
#include 
#include 
#include 
#include 
#include 
#include 

#define N 10240

int main(int argc, char *argv[])
{
    if(argc < 3)
    {
        printf("Usage : %s infile outfile\n", argv[0]);
        exit(-1);
    }
    FILE *fp_in, *fp_out;
    fp_in = fopen(argv[1], "rb");
    fp_out = fopen(argv[2], "wb");
    if(NULL == fp_in || NULL == fp_out)
    {
        printf("Open file wrong!\n");
        exit(-1);
    }

    char numDic[11][N];
    int i = 0;
    for( i = 0; i < 11; ++ i)
        memset(numDic[i], 0, N);

    char buf[N];
    char *p1 = NULL, *p2 = NULL;
    int len = 0;
    int cnt = 0;
    while(fgets(buf, N, fp_in))
    {
        len = strlen(buf);
        while('\t' == buf[len - 1] || ' ' == buf[len - 1] || '\n' == buf[len - 1])
            -- len;
        buf[len] = '\0';
        p1 = &buf[0];
        p2 = strrchr(p1, '|');
        while(p2)
        {
            *p2 = '\0';
            ++ p2;
            strcpy(numDic[cnt ++], p2);
            p2 = strrchr(p1, '|');
        }
        strcpy(numDic[cnt ++], p1);
    }

    int arr1[1000], arr2[100];
    srand( (unsigned)time(NULL) );
    for(i = 0; i < 1000; ++ i)
        arr1[i] = rand() % 10;
    for(i = 0; i < 100; ++ i)
        arr2[i] = rand() % 10;
    int j = 0, ind = 0;
    cnt = 0;
    for(i = 0; i < 100; ++ i)
    {
        for(j = 0; j <= arr2[i]; ++ j)
        {
            ind = arr1[cnt ++];
            fprintf(fp_out, "%s", numDic[ind]);
        }
        fprintf(fp_out, "\n");
    }
    fclose(fp_in);
    fclose(fp_out);
    return 0;
}