Text Analysis

TextAnalysis.cpp

#include <iostream>
#include <string>
#include <fstream>
using namespace std;

void preloadFile(const char[]);

int main() {
	const char file[] = "test.txt";
	string buffer;
	int wordcount = 0, lettercount = 0, fourletterwords = 0, tempcount = 0, temppos, wordWithLetterCount = 0;
	char letter;
	
	preloadFile(file);
	
	ifstream in(file);
	if (in.fail()) {
		in.close();
		return 1;
	}
	
	cout << "Count letters that begin with which letter? ";
	cin >> letter;
	
	while (in >> buffer) {
		wordcount++;
		tempcount = 0;
		temppos = 0;
		
		for (int i = 0; i <= buffer.length(); i++) {
			if (isalpha(buffer[i])) {
				lettercount++;
				tempcount++;
			}
			else if (buffer[i] != '\'') {
				cout << buffer.substr(temppos, i-temppos) << " " << tempcount;
				if (buffer[temppos] == letter) {
					cout << " (BEGINS WITH \'" << letter << "\')";
					wordWithLetterCount++;
				}
				if (tempcount == 4) {
					cout << " (FOUR LETTERS)";
					fourletterwords++;
				}

				cout << endl;
				tempcount = 0;
				temppos = i+1;
			}
		}
	}
	
	cout << "There are " << wordcount << " total words." << endl
		<< "There are " << lettercount << " total letters." << endl
		<< "There are " << fourletterwords << " total four letter words." << endl
		<< "There are " << wordWithLetterCount << " total words that begin with \'" << letter << "\'" << endl;
		
	system(((string)"notepad " + file).c_str());
	return 0;
}

void preloadFile(const char file[]) {
	ofstream out(file, ios::out|ios::trunc);
	out << "she said \"hello, my name's Jane\" and then she walked away.";
	out.close();
}