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/*
Please use git log for copyright holder and year information
This file is part of libbash.
libbash 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.
libbash 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.
You should have received a copy of the GNU General Public License
along with libbash. If not, see <http://www.gnu.org/licenses/>.
*/
///
/// \file variable_printer.cpp
/// \author Mu Qiao
/// \brief a program to write variables in a script into standard output
///
#include <algorithm>
#include <iostream>
#include <map>
#include <gtest/gtest.h>
#include <boost/spirit/include/karma.hpp>
#include <boost/fusion/include/std_pair.hpp>
#include "libbash.h"
static const std::vector<std::string> special_variables
{
"IFS", "?", "*", "0"
};
int main(int argc, char** argv)
{
if(argc != 2)
{
std::cerr<<"Please provide your script as an argument"<<std::endl;
exit(EXIT_FAILURE);
}
std::unordered_map<std::string, std::vector<std::string>> variables;
std::vector<std::string> functions;
libbash::interpret(argv[1], variables, functions);
std::map<std::string, std::vector<std::string>> sorted(variables.begin(), variables.end());
// Currently we don't need internal variables
for(auto iter = special_variables.begin(); iter != special_variables.end(); ++iter)
sorted.erase(*iter);
using namespace boost::spirit::karma;
std::cout << format((string << '=' << -(string % ' ')) % eol, sorted) << std::endl;
return 0;
}
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