Thread: Deletion program help

I'm writing a program that deletes a file specified by the user, and one specified in a data file (nothing fancy, just a text file with the .dat extension). The problems I'm having is that it crashes when the user types a directory followed by a file (C:\1.txt) and it doesn't delete it. Also, after it reads the data file, it tries to delete the file twice, so the second time it gets hit with a 404 error. Lastly, if the directory has a space in it, the program goes into an endless loop. I've only encountered it from the data file because the custom input doesn't work. I honestly have no clue about what is wrong. I haven't tried programming in a couple of months, so I'm that has a lot to do with it. Oh, my OS is Windows XP, compiler Dev-C++. Sorry for the rambling, so here is the code:

Code:

#include <iostream>
#include <fstream>
#include <conio.h>
#include <string>

using namespace std;

int manu();
int defu();
int main()
{
	int choice;

	cout << "1. Delete variable file"	<< endl
	     << "2. Delete pre-determined file" << endl
	     << "Enter your choice: ";
		cin >> choice;
		switch ( choice )
		{
			case 1:
				manu();
			break;

			case 2:
				defu();
			break;

			default:
				cout << endl << "ERROR: Invalid Input!" << endl;

				cin.ignore();				// Voids the key being pressed so it doesn't ........ anything up
				getch();				// Waits for user to press a key
			break;
		}

	return 0;
}

int manu()
{
	ifstream inp;
	string filename, command;
	char buffer[132];

	while ( 1 )
	{
		cout << endl << "Enter filename to delete: ";
			cin.getline ( buffer, 132 );

		filename = buffer;
		if ( filename.empty() ) break;				// exit if empty string
			inp.open ( filename.c_str() );

		if ( inp.good() )					// file exists
		{
			inp.close();
			command = "del ";
			command += filename.c_str();
			cout << "Delete " << filename.c_str() << endl;
			system ( command.c_str() );

			cin.ignore();
			getch();
		}

		else
		{
			cout << "ERROR: 404, File Not Found!" << endl;

			cin.ignore();
			getch();
			return 1;
		}

		inp.clear();						// clear ios error flags
	}

	cin.ignore();							// These are here because it crashes otherwise
	getch();							// Same for this one, and all the ones below
	return 0;
}

int defu()
{
	ifstream inp;
	string filename, command;
	char str[2048];

	while ( 1 )
	{
		fstream file_op ( "del.dat", ios::in );			// opens del.dat
			while ( file_op >> str )
				cout << str << endl;
		filename = str;
		file_op.close();

		if ( filename.empty() ) break;				// exit if empty string
			inp.open ( filename.c_str() );

		if ( inp.good() )					// file exists
		{
			inp.close();
			command = "del ";
			command += filename.c_str();
			cout << "Delete " << filename.c_str() << endl;
			system ( command.c_str() );
			cout << "Press any key to continue...";

			cin.ignore();
			getch();
		}

		else
		{
			cout << "ERROR: 404, File Not Found!" << endl;

			cin.ignore();
			getch();
			return 1;
		}

		inp.clear();						// clear ios error flags
	}

	cin.ignore();
	getch();
	return 0;
}

If this is too much of a page stretcher, I can always upload a text file.