C++ Read from a file using fstream

Spechal — Mon, 16 Nov 2009 15:32:59 +0000

/**
  Read from a file (version 1)
  Copyright 2009 Travis Crowder
  travis.crowder@spechal.com
  Published under the MIT License
*/
#include 
#include 
#include 

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

  // create the file handle, opening the file
  std::fstream myFile("text.txt", std::ios::in);

  // create a string to hold the line
  std::string line;

  if(myFile.is_open()){
    while(!myFile.eof()){
      getline(myFile, line);
      std::cout << line << std::endl;
    }
  } else {
    std::cout << "Could not open text.txt for reading." << std::endl;
    return -1;
  }

  return 0;
}

C++ Palindrome Checker

Spechal — Mon, 16 Nov 2009 13:48:38 +0000

/**
  Palindrome Checker
  Copyright 2009 Travis Crowder
  Published under the MIT License
*/

#include 
#include 
#include 

bool isPalindrome(const std::string theWord);

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

  std::string theWord;

  if(!argv[1]){
    std::cout << "Enter the word to check: ";
    std::cin >> theWord;
  } else {
    theWord = argv[1];
  }
  std::cout << std::endl;

  /**
    Make all of the characters lower case
  */
  int i = 0;
  while(theWord[i]){
    if(isupper(theWord[i]))
      theWord[i] = tolower(theWord[i]);
    i++;
  }

  std::cout << theWord << " is ";
  if(!isPalindrome(theWord))
    std::cout << "NOT ";
  std::cout << "a palindrome." << std::endl;
  return 0;
}

bool isPalindrome(const std::string theWord){
  std::string tmp = theWord;
  reverse(tmp.begin(), tmp.end());
  if(tmp == theWord)
    return true;
  return false;
}

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C++ Read from a file using fstream

C++ Palindrome Checker