36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
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#include "tapelib/filetape.h"
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#include <cstddef>
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#include <cstdlib>
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#include <ctime>
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#include <fstream>
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#include <iostream>
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#include <string>
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/**
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* Generate big input data sets for external sort testing.
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* Takes 2 positional arguments - first one is the ouput file name,
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* secon one is the amount of random cells that will be generated.
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* Each cell value is in range [0; RAND_MAX]
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*/
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int main(int argc, char *argv[]) {
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if (argc < 3) {
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std::cerr << "Not enough arguments" << std::endl;
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return -1;
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}
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std::string out_name = argv[1]; // NOLINT
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size_t cells = std::stoi(argv[2]); // NOLINT
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std::ofstream out(out_name);
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if (!out.is_open()) {
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std::cerr << "Failed to open file" << std::endl;
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return -1;
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}
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srand(time(nullptr));
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out << std::setfill('0') << std::setw(tape::FT_CELL_SIZE)
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<< std::to_string(rand());
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for (size_t i = 1; i < cells; i++) {
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out << tape::FT_DELIMETER << std::setfill('0')
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<< std::setw(tape::FT_CELL_SIZE) << std::to_string(rand());
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}
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return 0;
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}
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