//
#include <iostream>
#include <cstdio>
using namespace std;
int main (){
FILE *f;
char sym;
f = fopen ("tenlines.txt","r");
do {
sym = getc (f); //
cout << sym; //
} while (sym!= EOF); //
fclose (f);
getchar ();
return 0;
}
10.
// () "TENLINES.TXT" 10
#include <cstdio>
#include <iostream>
using namespace std;
int main (){
FILE *fp;
// ;
char *stuff;
//
int index;
//
stuff = "This is an example line.";
//
fp = fopen ("TENLINES.TXT","wt");
// 10 ->
for (index = 1;index <= 10;index++)
fprintf (fp,"%s Line number %d\n",stuff,index);
//
fclose (fp);
cout << "work is over";
cin. get ();
return 0;
}
11.
//
#include <cstdio>
#include <iostream>
#include <cstring>
using namespace std;
int main (){
FILE *f;
char s[35]; //
int index; //
//
strcpy (s,"Additional lines.");
//
f = fopen ("tenlines.txt","a");
// 5
for (index = 1;index <= 5;index++)
fprintf (f,"%s Line number %d\n",s,index);
//
fclose (f);
cout << "work is over";
cin. get ();
return 0;
}
12.
//
#include <cstdio>
int main (){
FILE *fp1;
//
char oneword[100],c;
;
fp1 = fopen ("TENLINES.TXT","r");
do {
/* */
c = fscanf (fp1,"%s",oneword);
/* */
printf ("%s\n",oneword);
/* */
} while (c!= EOF);
fclose (fp1);
getchar ();
return 0;
}
13.
// 100 c
#include <cstdio>
int main (){
FILE * fo;
fo = fopen ("test.txt","wt");
int i;
for (i=0; i<100; i++) {
fprintf (fo, "%d\n", i);
}
fclose (fo);
getchar();
return 0;
}
//
14.
//
#include <cstdio>"
int main (){
int i;
// :
FILE * fi;
fi = fopen ("test.txt","rt"); // rt txt
|
|
while (! feof (fi)) {
fscanf (fi, "%d", &i);
printf ("%d\n", i);
}
fclose (fi);
getchar ();
return 0;
}