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65
FormFeedRemove_0.2-Robinson.cpp
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65
FormFeedRemove_0.2-Robinson.cpp
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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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int main(int argc, char* argv[]) {
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if (argc < 3) {
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std::cerr << "Usage: " << argv[0] << " <inputfile> <outputfile>\n";
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return 1;
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}
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// --- Read entire file into memory ---
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std::ifstream infile(argv[1], std::ios::binary);
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if (!infile) {
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std::cerr << "Error opening input file.\n";
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return 1;
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}
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std::vector<char> buffer((std::istreambuf_iterator<char>(infile)),
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std::istreambuf_iterator<char>());
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infile.close();
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if (buffer.empty()) {
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std::cerr << "Input file is empty.\n";
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return 1;
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}
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// --- 1. Remove all ASCII 155 (0x9B) bytes ---
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buffer.erase(std::remove(buffer.begin(), buffer.end(), (char)155), buffer.end());
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// --- 2. Remove form feed (ASCII 12) from the last 16 bytes only ---
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if (!buffer.empty()) {
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size_t start = (buffer.size() > 16) ? buffer.size() - 16 : 0;
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buffer.erase(std::remove(buffer.begin() + start, buffer.end(), (char)12), buffer.end());
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}
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// --- 3. Remove one space (ASCII 32) at start of final line ---
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if (!buffer.empty()) {
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// Find position of last newline character ('\n' or '\r')
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size_t last_line_start = 0;
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for (size_t i = buffer.size(); i-- > 0; ) {
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if (buffer[i] == '\n') {
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last_line_start = i + 1;
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break;
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}
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}
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// If first character of last line is a space (0x20), remove one
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if (last_line_start < buffer.size() && buffer[last_line_start] == ' ') {
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buffer.erase(buffer.begin() + last_line_start);
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}
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}
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// --- Write output file ---
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std::ofstream outfile(argv[2], std::ios::binary);
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if (!outfile) {
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std::cerr << "Error opening output file.\n";
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return 1;
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}
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outfile.write(buffer.data(), buffer.size());
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outfile.close();
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return 0;
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}
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