File and Folder Operations in C++ - c++

Question

I am writing a todo list manager program in C++ and would like to do the following:
Check if a directory exists in the program's working directory, if not create it
If it does exist, get a list of .txt files from it.
Be able to create/delete .txt files from this directory
I have tried using boost/filesystem.hpp but can't seem to figure it out (or how to get it to link using g++). Below is an example of what I have tried (assume proper #includes's, int main, etc):
std::vector<std::string> findLists(void){
std::vector<std::string> lists;
std::string temp;
char dir[ MAX_PATH ];
std::string(dir, GetModuleFileName(NULL, dir, MAX_PATH));
dir = dir.substr(0,dir.find_last_of( "\\/" ));
path p(dir);
for(auto i = directory_iterator(p); i != directory_iterator(); i++){
if(!is_directory(i->path())){
temp = i->path().filename().string();
if(temp.compare(0,temp.find(".")+1,".txt")){
temp = temp.substr(0,temp.find("."));
}
lists.push_back(temp);
}
else{
continue;
}
}
return lists;
}

Answer 1

From Boost documentation
int main(int argc, char* argv[])
{
path p (argv[1]); // p reads clearer than argv[1] in the following code
if (exists(p)) // does p actually exist?
{
if (is_regular_file(p)) // is p a regular file?
cout << p << " size is " << file_size(p) << '\n';
else if (is_directory(p)) // is p a directory?
cout << p << "is a directory\n";
else
cout << p << "exists, but is neither a regular file nor a directory\n";
}
else
cout << p << "does not exist\n";
return 0;
}
You have all the facilities you need in there. This is only a starting point, but you should be able to get through it pretty quickly.