Answer to Question #209838 in C for Lucifer

Question

Write a file program to merge the content of source1.txt file and

source2.txt file to destination.txt file and display the fallowing from

the destination file.

• Count number of lines

• Count number of words

• Count the frequency of occurrence of the words

source1.txt

Hello Welcome to KSRCT

Hello Welcome to KSRCE

source2.txt

Hello Welcome to KSRIET

Hello Welcome to KSRCAS

Destination.txt

Hello Welcome to KSRCT

Hello Welcome to KSRCE

Hello Welcome to KSRIET

Hello Welcome to KSRCAS

Output display after reading from destination.txt file

Number of lines : 04

Number of words: 16

Frequency of words

Hello appears 4 times

Welcome appears 4 times

to appears 4 times

KSRCT, KSRCE, KSRIET and KSRCAS appears 1 times

Answer 1

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


int main(){
	char FILE_NAME[]="destination.txt";
	int numberLines=0;
	int numberWords=0;
	char word[100][100];
	int frequencies[100];
	int i,j,counter;
	FILE *source1File = fopen("source1.txt", "r");
	FILE *source2File = fopen("source2.txt", "r");
	FILE *destinationFile = fopen(FILE_NAME, "w");
	char letter;
	// merge the content of source1.txt file and source2.txt file to destination.txt file
	while ((letter = fgetc(source1File)) != EOF){
		fputc(letter, destinationFile);
	}
	fputc('\n', destinationFile);
	while ((letter = fgetc(source2File)) != EOF){
		fputc(letter, destinationFile);
	}
	fclose(source1File);
	fclose(source2File);
	fclose(destinationFile);




	//Output display after reading from destination.txt file
	destinationFile = fopen(FILE_NAME, "r");
	if(destinationFile==NULL) 
	{ 
		printf("File does not exist or can not be opened."); 
	} 
	else 
	{ 
		while ((letter=getc(destinationFile)) != EOF) {
			//Count number of lines
			if (letter == '\n') { ++numberLines; }
			//Count number of words
			if (letter == ' ' || letter == '\n') { ++numberWords; }
		}
		if (numberWords > 0) {
			++numberLines;
			++numberWords;
		}


		//display the fallowing from the destination file.
		//Number of lines
		printf("Number of lines: %0d\n",numberLines);
		//Number of words
		printf("Number of words: %0d\n",numberWords);
		//Frequency of words
		printf("Frequency of words\n");
		//Count the frequency of occurrence of the words


		//Hello appears 4 times
		//Welcome appears 4 times
		//to appears 4 times
		//KSRCT, KSRCE, KSRIET and KSRCAS appears 1 times
		fclose(destinationFile);       
		destinationFile = fopen(FILE_NAME, "r");
		numberWords=0;
		while (fscanf(destinationFile, "%s", word[numberWords]) != EOF){numberWords++;}
		for(i=0; i<numberWords; i++){
			counter = 1;
			for(j=i+1; j<numberWords; j++){
				// If duplicate element is found
				if(strcmp(word[i],word[j])==0){
					counter++;
					frequencies[j] = 0;
				}
			}
			if(frequencies[i] != 0)
			{
				frequencies[i] = counter;
			}
		}
		for(i=0; i<numberWords; i++)
		{
			if(frequencies[i] != 0)
			{
				printf("%s appears %d times\n",word[i],frequencies[i]);
			}
		}
		fclose(destinationFile);
	} 




	getchar();
	getchar();
	return(0);
}