#include <stdio.h> #include <stdlib.h> // For exit() int main()
{ FILE *fptr1, *fptr2;
char filename[100], c;
printf ( "Enter the filename to open for reading \n" );
scanf ( "%s" , filename);
// Open one file for reading
fptr1 = fopen (filename, "r" );
if (fptr1 == NULL)
{
printf ( "Cannot open file %s \n" , filename);
exit (0);
}
printf ( "Enter the filename to open for writing \n" );
scanf ( "%s" , filename);
// Open another file for writing
fptr2 = fopen (filename, "w" );
if (fptr2 == NULL)
{
printf ( "Cannot open file %s \n" , filename);
exit (0);
}
// Read contents from file
c = fgetc (fptr1);
while (c != EOF)
{
fputc (c, fptr2);
c = fgetc (fptr1);
}
printf ( "\nContents copied to %s" , filename);
fclose (fptr1);
fclose (fptr2);
return 0;
} |
Output:
Enter the filename to open for reading a.txt Enter the filename to open for writing b.txt Contents copied to b.txt
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