/*
   asst05.cpp
   7/6/2005
   CIS 150
   David G. Klick
   
   Solution to assignment #5.
*/

#include <iostream>
#include <iomanip>
#include <fstream>
#include <cctype>
using std::cout;
using std::setw;
using std::ifstream;

int main(void) {
   int count[26] = {0};
   int other = 0;
   char ch;
   int i;
   
   // try to open file, exit if error
   ifstream infile("cities.txt");
   if (!infile) {
      cout << "Error: Could not open input file\n";
      return 1;
   }
   
   // use priming read to start reading from file
   infile >> ch;
   while (infile) {
      // convert character to uppercase
      ch = toupper(ch);

      if (ch>='A' && ch<='Z') {
         // increment array accumulator if letter
         count[ch-'A']++;
      } else {
         // increment other accumulator if non-letter
         other++;
      }

      // try to read next character in file
      infile >> ch;
   }

   infile.close();

   // display results   
   cout << "Character counts:\n";
   for (i=0; i<26; i++) {
      cout << (char)(i+'A') << ": " << setw(5) << count[i] << '\n';
   }
   cout << "Other characters: " << other << '\n';   

   return 0;
}