//A program to transpose a general file
//Copyright (C) 2005  Daniel Brewer

//This program is free software; you can redistribute it and/or
//modify it under the terms of the GNU General Public License
//as published by the Free Software Foundation; either version 2
//of the License, or (at your option) any later version.

//This program is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//GNU General Public License for more details.

//http://www.gnu.org/copyleft/gpl.html


#include <vector>
#include <fstream>
#include <sstream>
#include <iostream>

using namespace std;

int main(int argc, char *argv[])
{
	vector< vector<string> > array;
	string filename(argv[1]);
//input file
	string line;
	ifstream infile(filename.c_str());

	if (!infile) {
		cerr << "File could not be opened" << endl;
	}
	else {
		while (!getline(infile, line).eof()) 
		{
			istringstream linestream(line);
			string data;
			vector<string> row;
			while (getline(linestream, data, '\t')) {
				row.push_back(data);
			}
			if(row.size()!=0) array.push_back(row);
		}
	}
//Find maximum size
	unsigned int max_size=0;
	for (unsigned int i=0;i<array.size();i++)
	{
		if (array[i].size()>max_size) max_size = array[i].size();
	}

//output file
	for (unsigned int i=0;i<max_size;i++)
	{
		if (i<array[0].size())
		{
			cout << array[0][i];
		}
		else cout << "";
		for (unsigned int j=1;j<array.size();j++)
		{
			if (i<array[j].size())
			{
				cout << '\t' << array[j][i];
			}
			else cout << '\t' << "";
		}
		cout << endl;
	}
	
	return 1;
}