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main.cpp

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+#include <vector>
+#include <string>
+#include <iostream> // std::cout
+#include <fstream>  // ifstream, ofstream
+#include <libgen.h> // basename()
+#include <iterator>
+
+using namespace std;
+
+ifstream inputFile;
+string filePath = "";
+vector<unsigned char> buffer;
+
+void checkParameters(int argc, char *argv[])
+{
+    if (argc != 2)
+    {
+        cout << "Uso: " << basename(argv[0]) << " FILE" << endl;
+        exit(EXIT_FAILURE);
+    }
+    else
+        filePath = argv[1];
+}
+
+void loadFile(string s)
+{
+    inputFile.open(s, ios::binary);
+    if (!inputFile.good())
+    {
+        cout << "No se puede abrir el archivo: " << s << endl;
+        exit(EXIT_FAILURE);
+    }
+
+    // Copia el stream al buffer
+    vector<unsigned char> temp(std::istreambuf_iterator<char>(inputFile), {});
+    buffer = temp;
+}
+
+void printBuffer()
+{
+    int count = 0;
+    for (auto i : buffer)
+    {
+        cout << static_cast<unsigned>(i) << " ";
+        count++;
+        if (count % 16 == 0)
+            cout << static_cast<unsigned>(i) << endl;
+    }
+}
+
+int main(int argc, char *argv[])
+{
+    checkParameters(argc, argv);
+    loadFile(filePath);
+    printBuffer();
+    cout << "Fin del programa" << endl;
+    return 0;
+}