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#include <string>
#include <iostream>
#include <fstream>

using namespace std;

bool displayTextFile(const string &dirPath, const string &fileName)
{
    string fullPath = dirPath + fileName;
    ifstream istream(fullPath.c_str());
    if (!istream.is_open()) {
        cout << "Cannot open " << fileName << endl;
        return false;
    }
    cout << "---" << fileName << "---" << endl;
    char buf[256];
    unsigned int i = 1;
    while (istream.good()) {
        istream.getline(buf, sizeof(buf));
        cout << i++ << ": " << buf << endl;
    }
    return true;
}

int main(int, char **argv)
{
    string appPath(argv[0]);
    size_t i = appPath.find_last_of('/');
    if (i == string::npos)
        i = appPath.find_last_of('\\');
    if (i == string::npos) // No path, plain executable was called
        appPath.clear();
    else
        appPath.resize(i + 1);
    if (!displayTextFile(appPath, "foo.txt"))
        return 1;
    if (!displayTextFile(appPath, "bar.txt"))
        return 2;
    cout << "-------------" << endl;
    return 0;
}