Write a program to copy a file such that blank lines are not written to the new file.

Question

input:
one
two
three

output:
three
two
one

Answer 1

Here is source code of the C Program to copy a file into another file. The C program is successfully compiled and run on a Linux system.
/*
* C Program to Copy a File into Another File
*/

include <stdio.h>

void main(int argc,char **argv)
{
FILE *fp1, *fp2;
char ch;
int pos;

if ((fp1 = fopen(argv[1],"r")) == NULL)    
{    
    printf("\nFile cannot be opened");
    return;
}
else     
{
    printf("\nFile opened for copy...\n ");    
}
fp2 = fopen(argv[2], "w");  
fseek(fp1, 0L, SEEK_END); // file pointer at end of file
pos = ftell(fp1);
fseek(fp1, 0L, SEEK_SET); // file pointer set at start
while (pos--)
{
    ch = fgetc(fp1);  // copying file character by character
    fputc(ch, fp2);
}    
fcloseall();    

}

Comments

This will copy whole file, What he asked is "copy a file such that blank lines are not written to the new file", Can you please share code?