C file指针and读取txt文件内容

参考 http://hi.baidu.com/xuleilei111/blog/item/e65a7f8b12e69ddbfc1f10c6.html

读取I1.txt中的数值

 

#include <stdio.h>
#include <string.h>

void main()
{
    int i = 0;
    char *buf;
    FILE *fp;
    fp = fopen("I1.txt","r");
    buf = (char*)malloc(1921);
    while(!feof(fp))
    {
        buf[i] = fgetc(fp);
        if (buf[i] == ','){
        }else{
            i++;
        }
    }
    fclose(fp);
    getchar();
}

I1.txt文件

1,1,1,1,1,1,0,0,0,1,1,1,1,0,1,0,1,0,1,0,1,1,1,1,1,1,0,0,0,1,1,1,1,0,1,0,1,0,1,0,1,1,1

,1,1,1,0,0,0,1,1,1,1,0,1,0,1,0,1,0,1,1,1,1,1,1,0,0,0,1,1,1,1,0,1,0,1,0,1,0,1,1,1,1,1,

1,0,0,0,1,1,1,1,0,1,0,1,0,1,0,1,1,1,1,1,1,0,0,0,1,1,1,1,0,1,0,1,0,1,0,1,0,0,1,1,1,1,0

,1,1,1,1,0,1,0,1,0,1,1,1,1,0,0,1,1,1,1,0,1,1,1,1,0,1,0,1,0,1,1,1,1,0,0,1,1,1,1,0,1,1,

1,1,0,1,0,1,0,1,1,1,1,0,0,1,1,1,1,0,1,1,1,1,0,1,0,1,0,1,1,1,1,0,0,1,1,1,1,0,1,1,1,1,0

,1,0,1,0,1,1,1,1,0,0,1,1,1,1,0,1,1,1,1,0,1,0,1,0,1,1,1,1,1,1,1,1,0,1,1,0,1,0,1,0,0,0,

0,0,1,0,1,1,1,1,1,1,0,1,1,0,1,0,1,0,0,0,0,0,1,0,1,1,1,1,1,1,0,1,1,0,1,0,1,0,0,0,0,0,1

,0,1,1,1,1,1,1,0,1,1,0,1,0,1,0,0,0,0,0,1,0,1,1,1,1,1,1,0,1,1,0,1,0,1,0,0,0,0,0,1,0,1,

1,1,1,1,1,0,1,1,0,1,0,1,0,0,0,0,0,1,0,1,1,1,1,0,0,0,1,0,0,1,0,1,0,1,1,0,0,1,1,0,1,1,1

,0,0,0,1,0,0,1,0,1,0,1,1,0,0,1,1,0,1,1,1,0,0,0,1,0,0,1,0,1,0,1,1,0,0,1,1,0,1,1,1,0,0,

0,1,0,0,1,0,1,0,1,1,0,0,1,1,0,1,1,1,0,0,0,1,0,0,1,0,1,0,1,1,0,0,1,1,0,1,1,1,0,0,0,1,0

,0,1,0,1,0,1,1,0,0,1,1,0,0,1,0,1,1,1,0,1,1,0,1,0,0,0,1,0,1,0,0,0,0,1,0,1,1,1,0,1,1,0,

1,0,0,0,1,0,1,0,0,0,0,1,0,1,1,1,0,1,1,0,1,0,0,0,1,0,1,0,0,0,0,1,0,1,1,1,0,1,1,0,1,0,0

,0,1,0,1,0,0,0,0,1,0,1,1,1,0,1,1,0,1,0,0,0,1,0,1,0,0,0,0,1,0,1,1,1,0,1,1,0,1,0,0,0,1,

0,1,0,0,0,1,0,0,1,0,0,0,0,0,0,1,1,0,0,1,0,1,1,0,0,1,0,0,1,0,0,0,0,0,0,1,1,0,0,1,0,1,1

,0,0,1,0,0,1,0,0,0,0,0,0,1,1,0,0,1,0,1,1,0,0,1,0,0,1,0,0,0,0,0,0,1,1,0,0,1,0,1,1,0,0,

1,0,0,1,0,0,0,0,0,0,1,1,0,0,1,0,1,1,0,0,1,0,0,1,0,0,0,0,0,0,1,1,0,0,1,0,1,1,0,0,0,0,0

,1,1,1,1,0,1,0,0,0,1,1,1,1,1,1,0,0,0,0,0,1,1,1,1,0,1,0,0,0,1,1,1,1,1,1,0,0,0,0,0,1,1,

1,1,0,1,0,0,0,1,1,1,1,1,1,0,0,0,0,0,1,1,1,1,0,1,0,0,0,1,1,1,1,1,1,0,0,0,0,0,1,1,1,1,0

,1,0,0,0,1,1,1,1,1,1,0,0,0,0,0,1,1,1,1,0,1,0,0,0,1,1,1,1,1,1,0,0,1,0,1,0,0,1,1,1,0,0,

0,0,0,1,1,1,1,1,0,1,1,0,1,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1,0,1,1,0,1,0,0,1,1,1,0,0,0,0,0

,1,1,1,1,1,0,1,1,0,1,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1,0,1,1,0,1,0,0,1,1,1,0,0,0,0,0,1,1,

1,1,1,0,1,1,0,1,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1,0,1,0,1,1,1,0,1,0,1,0,1,0,1,1,1,0,0,1,0

,0,1,0,1,1,1,0,1,0,1,0,1,0,1,1,1,0,0,1,0,0,1,0,1,1,1,0,1,0,1,0,1,0,1,1,1,0,0,1,0,0,1,

0,1,1,1,0,1,0,1,0,1,0,1,1,1,0,0,1,0,0,1,0,1,1,1,0,1,0,1,0,1,0,1,1,1,0,0,1,0,0,1,0,1,1

,1,0,1,0,1,0,1,0,1,1,1,0,0,1,0,0,1,1,0,1,0,1,0,0,1,0,1,1,1,1,1,1,1,1,0,0,0,1,0,1,0,1,

0,0,1,0,1,1,1,1,1,1,1,1,0,0,0,1,0,1,0,1,0,0,1,0,1,1,1,1,1,1,1,1,0,0,0,1,0,1,0,1,0,0,1

,0,1,1,1,1,1,1,1,1,0,0,0,1,0,1,0,1,0,0,1,0,1,1,1,1,1,1,1,1,0,0,0,1,0,1,0,1,0,0,1,0,1,

1,1,1,1,1,1,1,0,0,0,0,0,1,1,1,1,1,0,1,0,0,0,1,0,1,1,0,1,0,0,0,0,1,1,1,1,1,0,1,0,0,0,1

,0,1,1,0,1,0,0,0,0,1,1,1,1,1,0,1,0,0,0,1,0,1,1,0,1,0,0,0,0,1,1,1,1,1,0,1,0,0,0,1,0,1,

1,0,1,0,0,0,0,1,1,1,1,1,0,1,0,0,0,1,0,1,1,0,1,0,0,0,0,1,1,1,1,1,0,1,0,0,0,1,0,1,1,0,1

,0,0,1,1,1,0,1,1,1,0,1,0,0,0,0,1,1,1,0,1,0,0,1,1,1,0,1,1,1,0,1,0,0,0,0,1,1,1,0,1,0,0,

1,1,1,0,1,1,1,0,1,0,0,0,0,1,1,1,0,1,0,0,1,1,1,0,1,1,1,0,1,0,0,0,0,1,1,1,0,1,0,0,1,1,1

,0,1,1,1,0,1,0,0,0,0,1,1,1,0,1,0,0,1,1,1,0,1,1,1,0,1,0,0,0,0,1,1,1,0,1,0,0,0,1,1,0,0,

1,0,1,1,0,1,1,0,1,1,0,1,0,0,0,0,1,1,0,0,1,0,1,1,0,1,1,0,1,1,0,1,0,0,0,0,1,1,0,0,1,0,1

,1,0,1,1,0,1,1,0,1,0,0,0,0,1,1,0,0,1,0,1,1,0,1,1,0,1,1,0,1,0,0,0,0,1,1,0,0,1,0,1,1,0,

1,1,0,1,1,0,1,0,0,0,0,1,1,0,0,1,0,1,1,0,1,1,0,1,1,0,1,0,0,0,1,0,0,0,1,1,0,1,0,0,0,0,0

,1,1,1,1,1,1,0,1,0,0,0,1,1,0,1,0,0,0,0,0,1,1,1,1,1,1,0,1,0,0,0,1,1,0,1,0,0,0,0,0,1,1,

1,1,1,1,0,1,0,0,0,1,1,0,1,0,0,0,0,0,1,1,1,1,1,1,0,1,0,0,0,1,1,0,1,0,0,0,0,0,1,1,1,1,1

,1,0,1,0,0,0,1,1,0,1,0,0,0,0,0,1,1,1,1,1,1,0,0,1,1,0,1,1,0,1,0,0,0,1,1,1,1,1,0,1,0,1,

0,1,1,0,1,1,0,1,0,0,0,1,1,1,1,1,0,1,0,1,0,1,1,0,1,1,0,1,0,0,0,1,1,1,1,1,0,1,0,1,0,1,1

,0,1,1,0,1,0,0,0,1,1,1,1,1,0,1,0,1,0,1,1,0,1,1,0,1,0,0,0,1,1,1,1,1,0,1,0,1,0,1,1,0,1,

1,0,1,0,0,0,1,1,1,1,1,0,1,0,1,0,1,1,1,1,1,0,0,1,0,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,1,0,0

,1,0,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,1,0,0,1,0,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,1,0,0,1,0,

1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,1,0,0,1,0,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,1,0,0,1,0,1,1,0

,1,1,1,0,1,1,1,

2  读取科学计数中的数值

data_I_train_word_1_i0_256.txt

3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 -3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000 3.0000000e+000 0.0000000e+000

程序

 

#include <stdio.h>
#include <stdlib.h>

int main()
{
        float f[256];
        int i=0;
        FILE *fp=fopen( "data_I_train_word_1_i0_256.txt", "r ");
        
        while(!feof(fp))
        {
                fscanf(fp, "%f ", &f[i]); //%f 读取文件即可

                i++;
        }
        
        system( "pause ");
        return 0;
}

输出为float数。