I am in desperate need of help! I am having an issue inserting the word into the correct list. Each array index is a letter of the alphabet, and the words need to be put into the correct index according to the first letter of the word. Can I get some help with fixing this issue with my insertWord function?

Here is the text file I am using:

I am excited to be taking this class. Programming isn't
easy but I feel I am getting better. One day when I am
out of the military I hope to work for some IT business.
The job can't be part-time either!
67dd a09dd.

Here is the program file:

# include <iostream>
# include <iomanip>
# include <fstream>
# include <string>
# include <cctype>
# include <cstddef>

using namespace std;

const int MAX_SIZE = 26;

struct wordRec {
   string newWord;
   wordRec *previous;
   wordRec *next;
   };

void programIntro();
wordRec* initializeList ();
void initializeArray (wordRec *[], int& index);
void readTextFile (ifstream& wordIn, wordRec *letters[], int& index, int& wrdIndex);
void checkInputWord (ifstream& wordIn, string& word);
void insertWord (ifstream& wordIn, wordRec* [], int& index, string& word, int& wrdIndex);
void wordListPlacement (ifstream& wordIn, wordRec *letters[], int& index, int& wrdIndex);

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

wordRec* letters[MAX_SIZE];
wordRec *head = NULL;

int count;
int indexes;
int wordCount;
string words;
int wordIndex;

ifstream wordIn;

wordIn.open (argv[1]);

if (!wordIn) {
   cout << "Error! Text File did not open!" << endl;
   system ("pause");
return 1;
}
else 
initializeArray (letters, indexes);
readTextFile (wordIn, letters, indexes, wordIndex);
wordIn.close ();

system ("pause");
return 0;
}

void initializeArray (wordRec *letters[], int& index)

{
     for (index = 0; index < MAX_SIZE; index++) {
        letters[index] = NULL;
}

return;
}

void readTextFile (ifstream& wordIn, wordRec *letters[], int& index, int& wrdIndex)

{ 
   wordRec *head = letters[index];
   string word;
   char character;
   char letter;

   while (wordIn) { 
       wordIn >> word; 

  // calculates the specific list each word will go into
  character = word[0];
  letter = toupper(character);
  wrdIndex = letter - 'A'; 

 // checks the word format for errors
 checkInputWord (wordIn, word);

 // uppercases all the words in the file
 for (int indx = 0; indx < word.size(); indx++) {
     word[indx] = static_cast<char>(toupper(word[indx]));
 }

insertWord (wordIn, letters, index, word, wrdIndex);
}
return;
}

void checkInputWord (ifstream& wordIn, string& word)

{

 // strips off any punctuation if there is any
 for (int index = 0; index < word.length(); index++) {
   if ((ispunct(word[index])) && (word[index] != '\'') && (word[index] != '-')) {
      word.erase(index);
   }
}

 // ignores the word if it contains any digits and does not add it to the list!
 for (int index = 0; index < word.size(); index++) {
   if (isdigit (word[index])) {
      wordIn.ignore (word[index], word.length() );
   }
}

return;
} 

void insertWord (ifstream& wordIn, wordRec *letters [], int& index, string& word, int& wrdIndex)

{
wordRec *head = NULL;
wordRec *newNode = NULL;

if (head == NULL) {
   newNode = new (nothrow) wordRec;
   newNode->newWord = word;
   newNode->previous = NULL;
   newNode->next = newNode;

if (head != NULL) 
   head->previous = newNode;

   head = newNode;
   letters[index] = head;
   letters[index]->next = head;
   letters[index]->previous = head;

   }
return;
}

Edited 3 Years Ago by Reverend Jim: Fixed formatting

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