NewbiZ

namespace
{
  struct add_delimiter
  {
    add_delimiter( const std::string& d )
    { delimiter = d; }
    
    std::string operator()( const std::string& lhs, const std::string& rhs )
    { return lhs + (lhs.empty() ? "" : delimiter) + rhs; }
    

NewbiZ

void chop( std::string& str, const std::string& whitespaces=" \t\f\v\n\r" )
{
  size_t found = str.find_last_not_of( whitespaces );
  if ( found!=std::string::npos )
    str.erase( found+1 );
  else
    str.clear();
}

NewbiZ

void split( const std::string& str, char delim, std::vector<std::string>& tokens )
{
  std::stringstream iss(str);
  std::string item;
  while ( std::getline(iss, item, delim) )
  {
    if ( !item.empty() )
      tokens.push_back(item);
  }
}