Write a few statements that open a file called "words" and writes the last word in the file to a file called "lastword".

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Hello,
I got this error message for the following C program: the contents of words.txt file are: Segmentation fault (core dumped)

QUESTION:

Write a few statements that open a file called "words" and writes the last word in the file to a file called "lastword".

PROGRAM:

#include <stdio.h>

int main(void)

{

char ch,file_name[25];

FILE *fp,*fn;

char name[20]={"lastword"};

int i;

fp=fopen("words.txt","a");

fprintf(fp,"%s\n",name);

fclose(fp);

fopen("words.txt","r");

printf("the contents of words.txt file are:\n");

while((ch=getc(fp)!=EOF))

{

fprintf("%c",ch);

}

fclose(fp);

fp=fopen("f://words.txt","r");

fn=fopen("f://lastword.txt","w");

while((fgets(file_name,25,fp))!=NULL)

{

printf("%s\n",file_name);

if(strcmp(name,file_name)==0)

{

fprintf(fn,"%s/n",file_name);

}

}

fclose(fp);

fclose(fn);

}

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