/*
   tolower.c - Cambia el nombre de los archivos a minusculas

   Copyright(C) 2002, Luis C. Castro Skertchly

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

   Iniciado en 17-Dic-2002

   Versiones corriendo:
   1.1       26-Dic-2002

   Uso:
   tolower files
*/
#include <windows.h>
#include <stdlib.h>
#include <stdio.h>

WIN32_FIND_DATA findData;
HANDLE hFind;
char newName[MAX_PATH];
char *p, *q;
short int i;

int main(int argc, char **argv)
{
	if (argc < 2 || argc > 3)
	{
		fprintf(stderr, "Usage:\ntolower [-u] filespec\n"
				"  -u  Converts to uppercase instead of lowercase\n\n");
		return 1;
	}
	i = 1;
	if (!strcmp(argv[i], "-u"))
		i++;
	hFind = FindFirstFile(argv[i], &findData);
	if (hFind == INVALID_HANDLE_VALUE)
	{
		printf("No matching files.\n");
		exit(1);
	}
	do {
		for (p = findData.cFileName, q = newName; *p; p++, q++)
			*q = i > 1 ? toupper(*p): tolower(*p);
		*q = 0;
		//printf("%s --> %s\n", findData.cFileName, newName);
		MoveFile(findData.cFileName, newName);
	} while(FindNextFile(hFind, &findData));
	return 0;
}