- Tap hop thong tin */
#include <stdio.h>
void main()
{
char s[100], s1[100], s2[100], filename1[50], filename2[50];
FILE *fp1, *fp2;
printf("\nCho viet ten tap tin thu nhat : ");
gets(filename1);
if ((fp1 = fopen(filename1, "w+")) == NULL)
printf("\nKhong the tao tap tin %s", filename1);
else
{
printf("\nCho viet ten tap tin thu nhat : ");
gets(filename2);
if ((fp2 = fopen(filename2, "w+")) == NULL)
printf("\nKhong the tao tap tin %s", filename2);
else
{
do {
printf("\nHo ten (ENTER de ket thuc) : ");
gets(s);
if (strlen(s) > 0)
{
strcat(s, "\n");
fputs(s, fp1);
printf("\nTuoi : ");
gets(s);
strcat(s, "\n");
fputs(s, fp1);
printf("\nDia chi : ");
gets(s);
strcat(s, "\n");
fputs(s, fp1);
}
} while (strlen(s) > 0);
fclose(fp1);
fp1 = fopen(filename1, "r");
while (fgets(s, 100, fp1) != NULL)
{
fgets(s1, 100, fp1);
fgets(s2, 100, fp1);
s[strlen(s)-1] = 0;
s1[strlen(s1)-1] = 0;
fprintf(fp2, "%s %s %s", s, s1, s2);
}
fclose(fp2);
}
}
}
Tiêu đề: Tap hop thong tin - code c 
06/07/10, 06:01 pm