// include STL headers
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>

// c style system-headers
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#include <cstring>


int main(int argc, char *argv[])
{
	if (argc < 2) {
		std::cout << "run-dir.exe by Torben Nielsen" << std::endl;
		std::cout << "runs all (.exe) files in a directory, with optional args" << std::endl;
		std::cout << "Usage: run-dir.exe <directory> <command args>" << std::endl;
		std::cout << "Example: run-dir.exe c:\\update /passive /norestart" << std::endl;
		
		return 0;
	}

	DIR *directory = opendir( argv[1] );

	if (directory == NULL) {
		std::cout << "Could not read directory " << argv[1] << " - ";
		std::cout << strerror(errno) << std::endl;
		return 1;
	}

	std::vector<std::string> files;
	dirent *file;
	while ( (file = readdir(directory)) != NULL ) {
		std::string filename = file->d_name;
		
		if (filename.size() < 5)
			continue;
		std::string ext = filename.substr(filename.size()-4,4);

		if (ext == ".exe")
			files.push_back( filename );
	}
	closedir(directory);

	std::string arguments = "";
	
	if (argc>2) {
		for (int i=2;i<argc;i++)
			arguments.append(" ").append(argv[i]);
	}
	sort(files.begin(), files.end());

	for (std::vector<std::string>::size_type i = 0; i < files.size(); i++) {
		std::string fullname = argv[1];
		fullname.append("\\").append(files[i]);
		fullname.append(arguments);
		std::cout << "executing " << fullname << std::endl;
		int errorval = system(fullname.c_str());
		if (errorval != 0)
			std::cerr << "Warning: " << files[i] << " returned " << errorval << std::endl;
	}

}