Computer Programming C Laboratory: File Operations C Programs

Example C program for using getw and putw functions

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C Programs using File Operations - THE getw AND putw FUNCTIONS

/*Example C program for using getw and putw functions*/

#include <stdio.h>

#include <conio.h>

main()

{

FILE *fl, *f2, *f3;

int n, i;

clrscr();

printf("Contents of the data file\n\n");

fl=fopen("DATA", "w");

for(i=1;i < = 10;i++)

{

scanf("%d", &n);

if(n ==‒1) break;

putw (n,fl);

}

fclose(fl);

fl=fopen("DATA", "r");

f2=fopen("ODD", "w");

f3=fopen("EVEN", "w");

while((n=getw (f1))!= EOF) * Read from data file*!

{

if(n%2==0) putw(n,f3); /*Write to even file*/

else putw (n,f2); /*write to odd File*/

}

fclose(fl);

fclose(f2);

fclose(f3);

f2=fopen("ODD", "r");

f3=fopen("EVEN", "r");

printf("\n\n Contents of the odd file\n\n");

while((n=getw (f2))!= EOF) printf("%d\t",n);

printf("\n\nContents of the even file\n");

while((n=getw (f3))!= EOF) printf("%d\t",n);

fclose(f2);

fclose(f3);

}

OUTPUT

Contents of the data file

1 2 3 4 5 6 7 8 9 10

Contents of the odd file

1 3 5 7 9

Contents of the even file

2 4 6 8 10

Computer Programming C Laboratory: File Operations C Programs : Tag: C Programming : - Example C program for using getw and putw functions

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Computer Programming C Laboratory: File Operations C Programs

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