67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
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/*
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* Copyright (C) 2023 The C++ Plus Project.
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* This file is part of the cppp-reiconv Library.
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*
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* The cppp-reiconv Library is free software; you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* The cppp-reiconv Library is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the cppp-reiconv Library; see the file COPYING.
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* If not, see <https://www.gnu.org/licenses/>.
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*/
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/*
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Sort file lines.
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*/
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#ifndef _SORT_HPP
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#define _SORT_HPP
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#include <iostream>
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#include <fstream>
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#include <vector>
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#include <algorithm>
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#include <string>
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#include "throw_error.hpp"
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void sort_file(const std::string& file_name, const std::string& output_file_name)
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{
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std::vector<std::string> lines;
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std::ifstream input_file(file_name);
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if(!input_file.is_open())
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{
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error("sort", "Failed to open file: " + file_name);
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}
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std::ofstream output_file(output_file_name, std::ios::trunc);
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if(!output_file.is_open())
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{
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error("sort", "Failed to open file: " + output_file_name);
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}
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std::string line;
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while (std::getline(input_file, line))
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{
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lines.push_back(line);
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}
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input_file.close();
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std::sort(lines.begin(), lines.end());
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for (const std::string& line : lines)
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{
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output_file << line << std::endl;
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}
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}
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#endif
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