C / C++ / MFC

Razanust wrote:

FILE*fp;
fp=fopen("imp.txt","r");

Razanust wrote:

fseek(fp,0,SEEK_END);
position=ftell(fp);

chandu004 wrote:

actually, there are some Third party command mode tools which should be used in a sequence to perform some operations on wav files and text ifles.

Rajesh R Subramanian wrote:

So, you are not working with any DOS commands.

CString str;
str.Format("copy database\\*.* %s>>c:\\output.txt",tempfolder);
DeleteFile("output.txt");
STARTUPINFO s;
s.wShowWindow=STARTF_USESHOWWINDOW&&SW_SHOW ;
int ret=CreateProcess(str.GetBuffer(str.GetLength()),NULL,NULL,NULL,NULL,NULL,NULL,NULL,&s,NULL);
//system(str);

chandu004 wrote:

STARTUPINFO s;
s.wShowWindow=STARTF_USESHOWWINDOW&&SW_SHOW ;

s.dwFlags = STARTF_USESHOWWINDOW;
s.wShowWindow = SW_SHOW;

STARTUPINFO s;
s.dwFlags=STARTF_USESHOWWINDOW;
s.wShowWindow=SW_SHOW ;
int ret=CreateProcess(str,NULL,NULL,NULL,NULL,NULL,NULL,NULL,&s,NULL);

STARTUPINFO si;
PROCESS_INFORMATION pi;

::SecureZeroMemory(&si, sizeof(STARTUPINFO));
::SecureZeroMemory(&pi, sizeof(PROCESS_INFORMATION));

si.dwFlags = STARTF_USESHOWWINDOW;
si.wShowWindow = SW_SHOW;

::CreateProcess(NULL, str, NULL, NULL, NULL, NULL, NULL, NULL, &si, &pi);

str="dir >>c:\\output.txt";

chandu004 wrote:

what is the mistake here.

chandu004 wrote:

can you pleaase explain me how and where to use this function?

Rajesh R Subramanian wrote:

Redirecting an arbitrary Console's Input/Output[^]

«_Superman_» wrote:

You can hide the console if you use CreateProcess by setting the STARTF_USESHOWWINDOW flag and SW_HIDE in the wShowwindow members of the STARTUPINFO parameter

bool Execute(LPCTSTR pApp, LPCTSTR pArgs, bool show, LPCTSTR pDir)
{
	if (!pApp)
	{
		SetLastError(ERROR_FILE_NOT_FOUND);
		return false;
	}

	SHELLEXECUTEINFO execInfo;
	memset(&execInfo, 0, sizeof(execInfo));

	execInfo.cbSize       = sizeof(execInfo);
	execInfo.fMask        = SEE_MASK_NOCLOSEPROCESS | SEE_MASK_FLAG_NO_UI;
	execInfo.lpFile       = pApp;
	execInfo.lpParameters = pArgs;
	execInfo.nShow        = show ? SW_SHOW : SW_HIDE;

	char path[MAX_PATH];

	if (pDir)
	{
		execInfo.lpDirectory = pDir;
	}
	else
	{
		lstrcpyn(path, pApp, MAX_PATH);
		if (PathRemoveFileSpec(path))
		{
			if (path[0])
				execInfo.lpDirectory = path;
		}
	}

// DTDirExits is an internal function that uses GetFileAttributes() to test if a path is an existing directory
	if (execInfo.lpDirectory && !DTDirExists(execInfo.lpDirectory))
	{
		SetLastError(ERROR_PATH_NOT_FOUND);
		return false;
	}

	if (!ShellExecuteEx(&execInfo))
		return false;

	if (execInfo.hProcess)
		CloseHandle(execInfo.hProcess);

	return true;
}