/*
  program: cmdStrIpt.cc
  
  This program reads from the command string, if
  there is an argv[1] string, otherwite, it
  reads from the input stream.

  So, the following is equivalent:
 
  $cmdStrIpt "sampledata"   

  $cmdStrIpt
    "sampleData"

*/
#include <iostream>
#include <string>
#include <sstream>
using namespace std;
istream* is;
int main (int argc, char *argv[])
{
  char c;
  string s;
  switch(argc) {
  case 1:
    is = &cin;
    break;
  case 2:
    is = new istringstream(argv[1]);
    break;
  default:
    cerr << " usage: cmdStrIp  <input>  " << endl;
    return 1;
  }


      *is >> s;
      cout << s << endl ;

      if (is != &cin) delete is;


}

#include <string>
#include <fstream>
#include <iterator>
#include <sstream>
#include <map>
#include <iostream>
#include <algorithm>

using namespace std;

map < string, int >freq;

void
record (const string & s)
{
  freq[s]++;
}

void
print (const pair < const string, int >&r)
{
  cout << r.first << ' ' << r.second << '\n';
}

int
main (int argc, char **argv)
{
  string infile;

  if (argc == 2)
    {
      infile = argv[1];
    }
  else
    {
      cout << "need filename" << endl;
      return 1;
    }

  ifstream is (infile.c_str ());
  istream_iterator < string > ii (is);
  istream_iterator < string > eos;


  for_each (ii, eos, record);
  for_each (freq.begin (), freq.end (), print);
}