Posted on 2006-10-18 16:50
neter 阅读(786)
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程序设计
闲暇无事，写点代码以打发无聊的时间。
1
#include <stdio.h>
2#include <stdlib.h>
3
4int main(void)
5
{
6
FILE *in,*out;
7
8 int block;
9 char *buffer;
10 int i;
11 long size;
12 int num = 1;
13 char src[32],dest[32],temp[32];
14 printf("***********************************************\n");
15 printf("请输入要分割的文件的位置： ");
16 scanf("%s",src);
17 printf("请输入要分割成的小文件的个数： ");
18 scanf("%d",&num);
19 printf("请输入要分割后文件保存位置： ");
20 scanf("%s",dest);
21 if ((in = fopen(src,"rb")) == NULL)
22
{
23 printf("Open File Fail\n");
24 exit(0);
25
}
26 fseek(in,0L,2);
27 size = ftell(in);
28 rewind(in);
29 block = size/num; // 每一个文件的大小
30 buffer = (char*)malloc(block);
31
32 for(i=0;i< num;i++)
33 {
34 char ch[32];
35 strcpy(temp,dest);
36 itoa((i+1),ch,10);
37 strcat(temp,ch);
38 strcat(temp,".dat");
39 if(fread(buffer,block,1,in)!=1)
40 {
41 printf("Read File Error\n");
42 exit(0);
43 }
44 if((out = fopen(temp,"wb")) == NULL)
45 {
46 printf("Open File Fail\n");
47 exit(0);
48 }
49 if(fwrite(buffer,block,1,out)!=1)
50 {
51 printf("Write File Error\n");
52 exit(0);
53 }
54 fclose(out);
55 }
56 fclose(in);
57 free(buffer);
58 printf("Cut Over\n");
59 printf("***********************************************\n");
60 return 0;
61
}
62 简单就是美的了。