CPP : Get a file's line number and character number

  1 //++++++++++++++++++++++++++
  2  //      line_count.cpp
  3  //++++++++++++++++++++++++++
  4  
  5  ///#include head file
  6  #include <iostream>
  7  #include <fstream>
  8  
  9  
 10  ///USING
 11  using namespace std;
 12  
 13  
 14  ///main_entry
 15  main(int argc,char *argv[])
 16  {
 17      
 18      
 19      ///declare
 20      ifstream in_file;
 21      char ch;
 22      int word_count, numlines;
 23      
 24      
 25      ///Open in_file
 26       in_file.open(argv[1]);
 27      
 28      
 29      ///Is file ?
 30      if (in_file==NULL)
 31      {
 32          
 33          
 34          ///Prompt error !
 35          cout << "Cannot open" << argv[1] << endl;
 36          
 37          
 38          ///main_EXIT
 39          return(1);
 40          
 41          
 42          /// +
 43      }//end if
 44      
 45      
 46      ///Initial value
 47      word_count=0;
 48      numlines = 0;
 49      
 50      
 51      ///Read a char
 52      in_file.get(ch);
 53      
 54      
 55      ///Loop till EOF
 56      while(in_file)
 57      {
 58          
 59          
 60          ///Loop till EOL
 61          while(in_file && ch != '\n')
 62          {
 63              
 64              
 65              ///Increase counter
 66              word_count++;
 67              
 68              
 69              ///Read a char
 70              in_file.get(ch);
 71              
 72              
 73              /// +
 74          }//end while
 75          
 76          
 77          ///Increase line no
 78          numlines++;
 79          
 80          
 81          ///Read a char
 82          in_file.get(ch);
 83          
 84          
 85          /// +
 86      }//end while
 87      
 88      
 89      ///Display Line No
 90      cout <<argv[1] <<" = "<< numlines << " lines <<\n";
 91      
 92      
 93      ///Display Char No
 94      cout << argv[1]<<" = " << word_count << " chars w/o eol" << endl;
 95      
 96      
 97      ///main_end
 98      return 0;
 99  } //main_end
100  
101