/*
 * File:   main.c
 * Author: charlesfinlayson
 *
 * Created on February 13, 2011, 2:03 PM
 */

#include <stdio.h>
#include <stdlib.h>

#define LINEMAX 20

/*
 *
 */

int main(int argc, char ** argv) {

   FILE * fin;
   char a[LINEMAX];
   int i;
   int lineNo = 0;

   if(argc!=2){
       printf("append: wrong number of arguments\n");
       exit(0);
   }

   fin = fopen(argv[1],"r");
   if(fin==NULL){
       printf("append: can't open %s for reading\n",argv[1]);
       exit(0);
   }

   while ((getLine(fin,a,LINEMAX))!=EOF){
        printf("%d ", lineNo);
        for (i = 0; a[i]!= '\n'; i++)
            printf("%d", a[i]);
   }
   fclose(fin);
}

int getLine(FILE * fin,char a[],int n) {

    int c, i;

    for(i=0; i<n-1 || (c=getc(fin))!=EOF || c!='\n'; i++)
        a[i] = c;

    if(i=n-1){
        printf("getLine: more than n characters on the line");
        while ((c=getc(fin))!='\n')
            ;
        a[i] = c;
        i++;
    }

    if (c == EOF)
        return EOF;

    else
        return i;
}