//######### REMOVE COMMAND ##########
RmCommand::RmCommand(string args):BaseCommand(args){}
void RmCommand::execute(FileSystem & fs){
    string path = getArgs();
    // can't delete root or current directory, TODO: check if relative path correct..
    if(path == fs.getWorkingDirectory().getAbsolutePath() || path == fs.getRootDirectory().getAbsolutePath()){
        cout << "Can’t remove directory" << endl;
        return;
    }
    Directory* fatherDirectory = nullptr;
    int lastSlashLoc = path.find_last_of("/");
    string newPath = path.substr(0, lastSlashLoc);// New path of Father directory of 'gonna-be-deleted' file/dir
    string baseName = path.substr(lastSlashLoc+1); // name of 'gonna-be-deleted' file/dir

    fatherDirectory = getDirByPath(fs, newPath);
    if(fatherDirectory == nullptr)
        cout << "invalid path" << endl;
    BaseFile* child = fatherDirectory->getChildByName(baseName);
    if(child==nullptr){ cout << "file/directory not found" << endl;}
    else if(child->IsFile()){ // if file
        delete ((File*)child);
    } else if(!child->IsFile()){// if dir
        delete ((Directory*)child);
    }

    fatherDirectory = nullptr;
    child = nullptr;
}