Program to Create, Read & write Using File in C

#include "stdio.h"
main()
{
FILE *fp;
char a[80];
int z;
p:
printf("\n1.Write");
printf("\n2.Read");
printf("\n3.Out");
printf\nEnter U R Choice...");
scanf("%d",&z);
switch(z)
{
case 1:
{
fp = fopen("aa.txt","w");
if(fp==NULL)
{
puts("cant get me");
exit();
}
printf("\nEnter new line...\m");
while(strlen(gets(a))>0)
{
fputs(a,fp);
puts("\n");
}
fclose(fp);
getch();
goto p;
}
}

case 2:
{
fp = fopen("aa.txt","r");
if(fp==NULL)
{
puts("cant get me");
exit();
}
while(fgets(a,79,fp)!=NULL)
printf("%s",a);
fclose(fp);
getch();
goto p;
}
}

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4 comments:

  1. Thnks Good Collection

    ReplyDelete
  2. thank a lot ,,the whole collectioon is great ...thanks again

    ReplyDelete
  3. Thanks Junaid..i am keeping it updated time to time.... thnks :)

    ReplyDelete
  4. "Program to Create, Read & write Using File in C" has lot of errors. include all header files, return 0 in exit() function, plus error in syntax of printf. when i made it eror free and compiled i was unable to read or write any file.please reply ASAP

    ReplyDelete


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More Useful Topics...

 

History Of C..

In the beginning was Charles Babbage and his Analytical Engine, a machine
he built in 1822 that could be programmed to carry out different computations.
Move forward more than 100 years, where the U.S. government in
1942 used concepts from Babbage’s engine to create the ENIAC, the first
modern computer.
Meanwhile, over at the AT&T Bell Labs, in 1972 Dennis Ritchie was working
with two languages: B (for Bell) and BCPL (Basic Combined Programming
Language). Inspired by Pascal, Mr. Ritchie developed the C programming
language.

My 1st Program...


#include
#include
void main ()
{
clrscr ();
printf ("\n\n\n\n");
printf ("\t\t\t*******Pankaj *******\n");
printf ("\t\t\t********************************\n");
printf ("\t\t\t\"Life is Good...\"\n");
printf ("\t\t\t********************************");
getch ();
}

Next Step...


#include
#include

void main ()
{
clrscr ();
printf ("\n\n\n\n\n\n\n\n");
printf ("\t\t\t --------------------------- \n\n");

printf ("\t\t\t | IGCT, Info Computers, INDIA | \n\n");
printf ("\t\t\t --------------------------- ");

getch ();

}

Hits!!!