Posted on 2006-10-18 16:50
neter 閱讀(800)
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閑暇無(wú)事，寫(xiě)點(diǎn)代碼以打發(fā)無(wú)聊的時(shí)間。
?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("請(qǐng)輸入要分割的文件的位置：??");
16????scanf("%s",src);
17????printf("請(qǐng)輸入要分割成的小文件的個(gè)數(shù)：??");
18????scanf("%d",&num);
19????printf("請(qǐng)輸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;?//?每一個(gè)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 簡(jiǎn)單就是美的了。